順序變量 的英文怎麼說
中文拼音 [shùnxùbiànliáng]
順序變量
英文
ordinal variable-
The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last
通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後，將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後，確定計算的三維坐標點的連接順序和拓撲模型，利用opengl進行等溫面的繪制、消隱和模式變換等工作。As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction
對于某型號導彈油箱結構焊接過程的數值模擬計算，主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律，模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似，即焊後壁板沿焊縫縱向發生了向下的撓曲變形，中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形，壁板兩端部變形量較大，且壁板前端變形大於壁板後端。According to the characteristic of cnc plasma cutting machine it could improve the process quality of cutting piece in effect for choosing proper technics, for example, cutting section point, aspect, sequence, speed etal during the period of processing, and elaborating towards the distortion control of single side piece, slightness piece, profiled piece and particularity piece at the same time
根據數控等離子切割機的特點，在加工過程中正確選擇切割的起點、切割方向、切割順序、切割速度等工藝，可以有效提高切割件的加工質量，同時對單邊工件、細長件、異型件以及特殊件的變形控制進行了詳細地闡述。Abstract : soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and erman ' s birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in erman ' s birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in erman ' s birch forest. because the forests of broad - leaved / korean pine, dark coniferous and erman ' s birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil
文摘:為了研究土壤溫度和土壤含水量對闊葉紅松林（山地暗棕壤） 、雲冷杉暗針葉林（山地棕針葉林土壤）和岳樺林（生草森林土）的土壤呼吸的影響，於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的含水量，將土壤含水量分為9 ， 、 21 、 30 、 37和43 5個等級，土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24小時.闊葉紅松林土壤在0 （ 35范圍內，土壤呼吸速率與溫度呈正相關.在一定的含水量范圍內（ 21 （ 37 ） ，土壤呼吸隨含水量的增加而升高，當含水量超出該范圍，土壤呼吸速率則隨含水量的變化而降低.土壤溫度和水分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異，大小順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的最佳條件是土壤溫度35 ，含水量37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的最佳條件是25 ， 21 ;岳樺林土壤呼吸作用的最佳條件是35 ，含水量37 .但是，由於長白山闊葉紅松林，雲冷杉林和岳樺林處在不同的海拔帶上，同期不同森林類型土壤溫度各不相同，相差4 ~ 5 ，所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率，山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25Soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and ermans birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in ermans birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in ermans birch forest. because the forests of broad - leaved / korean pine, dark coniferous and ermans birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil
為了研究土壤溫度和土壤含水量對闊葉紅松林（山地暗棕壤） 、雲冷杉暗針葉林（山地棕針葉林土壤）和岳樺林（生草森林土）的土壤呼吸的影響，於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的含水量，將土壤含水量分為9 ， 、 21 、 30 、 37和43 5個等級，土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24小時.闊葉紅松林土壤在0 （ 35范圍內，土壤呼吸速率與溫度呈正相關.在一定的含水量范圍內（ 21 （ 37 ） ，土壤呼吸隨含水量的增加而升高，當含水量超出該范圍，土壤呼吸速率則隨含水量的變化而降低.土壤溫度和水分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異，大小順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的最佳條件是土壤溫度35 ，含水量37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的最佳條件是25 ， 21 ;岳樺林土壤呼吸作用的最佳條件是35 ，含水量37 .但是，由於長白山闊葉紅松林，雲冷杉林和岳樺林處在不同的海拔帶上，同期不同森林類型土壤溫度各不相同，相差4 ~ 5 ，所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率，山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25" electronic 1c chip drawing system " provides many functions such as " modify the position of the component ' s diagram " " modify the color of the component ' s diagram " " magnify and minify the component ' s diagram without distortion " " change the type of drawing line " " edit some physical properties of the component " " copy and paste diagram of one component " " delete one or more component diagrams " " move more than one components " positions " " change the z _ order of the diagram, set it to back or bring it to front " " save the drawing of the electronic components to one file and the file extension name is *. brd " " print the drawing ". users can finish all these functions easily by clicking and dragging the mouse
電路板元器件繪制系統主要完成了使用鼠標拖拽、鼠標點按的方式繪制電路板上各種常見的元器件圖形；編輯電路板上元器件圖形的位置；編輯元器件圖形的顏色；不失真的對器件圖形進行放大和縮小；編輯元器件圖形的線型；編輯電路板上各個器件的物理屬性（比如電阻的阻值大小、電容的容量大小、額定電壓等） ；復制已經繪制出的電路板上的器件；粘貼剪貼板上的器件；刪除單個或多個已經繪制出的器件圖形；同時改變多個器件圖形的位置；改變繪制區內各個元器件的zorder順序，也就是可以將層疊在一起的圖形置前或置后；把繪制的電路板器件圖保存到指定文件中；能打開、查看和修改保存的電路板器件圖；列印電路板器件圖。The jmm describes the ordering guarantees that are made when a program uses synchronization or volatile variables to coordinate activities in multiple threads
Jmm描述了程序使用同步或者volatile變量以協調多個線程中的活動時所進行的的順序保證。Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp
對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。( 5 ) the organic matter, total nitrogen, available phosphorus content were different between different land use types in 1980 and 1999, the order of these nutrients content in different land use types was irrigated land > rained farmland > grassland in 1980 ; the order of these nutrients content in different land use types in 1999 was vegetable land > irrigated land > rained farmland ; the changes of organic matter, total nitrogen, available phosphorus content were different between different land use types from 1980 to 1999, the order of these nutrients content change was vegetable land > irrigated land > rained farmland > grassland
（ 5 ） 1980年，土壤有機質、全氮、速效磷三種養分含量在旱地、水澆地、荒草地三種用地類型間的變化規律是水澆地旱地荒草地，而速效鉀含量在三種用地類型之間的變化規律為旱地水澆地荒草地。 1999年，土壤有機質、全氮、速效磷含量在不同用地類型之間的變化順序為菜地水澆地旱地；而速效鉀含量的變化順序卻為旱地菜地水澆地。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。In packet based wireless video communications, when best band distribution, not only source distortion should be considered, but also channel distortion caused by channel errors. the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order, and then encodes the mbs in the same order. actually, the quantization distortion is heavily dependent upon the coding order of mbs
在基於包的無線視頻傳輸中，最佳帶寬分配時，不僅要考慮信源編碼失真，也要考慮由於通道差錯引起的通道失真；已有的宏塊層碼率控制演算法以矩陣掃描的順序計算一幀中所有宏塊的量化參數，事實上量化失真與宏塊的編碼順序有很大關系，改變宏塊的編碼順序，使復雜的宏塊分配到更多的比特數，顯然能大大提高編碼效率。In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode
第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現，首先分析和比較了各種快速傅立葉變換演算法的特性和規律，提出基4蝶算的演算法具有最好的性價比，討論了順序、級聯、并行和陣列的處理結構，闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線，驗證並測試fft處理器，分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法，提出了可擴展平臺模式。In consideration of the large feature dimensions of the wavelet moment invariants, we first choose a set of better features by combining divergence with sequential forward selection and this can be an off - line computation process
針對小波矩不變量特徵維數比較多的情況，本文採用結合離散度和順序前進法的特徵選擇方法，先離線選取一組較優特徵量。By building an physical module of duv to turn the sequential execution of software simulation into consequential execution of hardware emulation, emulation technology can ran on 100 to 1000 times speed than simulation technology does, which erase the bottleneck of simulation technology
本文還結合fpga的應用深入研究了驗證技術的另一發展方向? ?硬體模擬技術。通過物理模型將軟體模擬的順序執行變為硬體的并行執行，模擬技術可以將動態驗證的速度提高2到3個數量級，消除速度瓶頸。The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations
（ 6 ）通過拉氏積分變換法將彈性動力問題轉換至變換域，通過變換域上邊界元的分佈并行處理實現了彈性動力邊界元分析的并行化；引入與時間有關的基本解，解除了時域邊界元系統方程組形成階段的時間順序依賴性，通過矩陣向量運算的分佈并行處理實現方程組時間步進求解方法的并行化，這種方法是一種部分時間并行演算法。We study the regular of soil water contents in 11 years artificial locust woodland. the results showed that soil water contents are semi - shady > sunny > semi - sunny. so we can draw the conclusion that the reason of differential productivity of artificial locust woodland in different site types is soil water content rather than soil nutrients
對11年人工刺槐林土壤含水量變化規律的研究表明，三個立地類型的刺槐林土壤含水量差異顯著，其土壤含水量從大到小的順序為：半陰坡半陽坡陽坡，因此就可以斷定，在黃土高原現有的土壤養分背景下，引起不同立地類型生產力差異的主要原因不是土壤養分，土壤含水量是引起黃土高原人工刺槐林生產力差異的主要原因。On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method
在此基礎上介紹了國內目前採用的軸系偏差對測量角影響的經典改正方法?單項差累計改正法，並針對該方法存在的數學模型不完善、對大角度偏差不適用、增加設備調整難度等缺陷，提出採用坐標變換方法，並根據坐標的旋轉次序與設備測量的物理過程相符合的原理定位各矩陣的先後順序，推導出了軸系偏差對測量角影響的嚴格數學模型，歸納建立了相應測量角的改正方法。Through the review of theories about capital structures of foreign countries, the paper compares developed with developing countries in the capital structures and analyzes the character of chinese listed company. based on ample data, the proportion of equity financing is much more than that of credit financing in the capital structure of listed company. it indicates that listed company ' s choice of financing approach has an intensive predilection of equity financing, which is far from “ pecking order ” of financing approach in matured market. at the same time, the efficiency of equity finacing is not hight, so is debt finacing. the funds raised from equity finacing changes high frequency and lacks restrict, and the efficiency of debt finacing from bank is not hight because of “ soft restriction ”. despite the debenture has a preferable restrict, it grows lentitudily in china
大量數據說明中國上市公司融資結構中股權融資的比重遠遠超過債權融資，與成熟市場條件下公司融資方式的「啄食順序」不同，有著強烈的股權融資偏好。同時，中國上市公司的融資效率是低下的，不管是股權融資還是債權融資。股權融資募集資金變更頻繁，缺乏約束，資金使用效率不高;銀行債權融資存在軟約束，使用效率同樣不高;公司債券融資具有較高的約束力，但在我國發展受到限制。分享友人