相對多度 的英文怎麼說
中文拼音 [xiāngduìduōdù]
相對多度
英文
relative abundance-
In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits
論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。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 。Second, the process of modeling an artificial neural network has very high automaticity, for it can accomplish many inner processes automatically
人工神經網路模型在建立過程中,自動化程度相對較高,許多內部過程可以自動完成。The results showed as follows : ( 1 ) 6 traits are correlative with genomic factors according to analysis of population genetics and comparison of the coherence of twins. ( 2 ) the hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can - rolling type or can - pointed type was the dominant character
本文首次從群體遺傳學、家系分析、典型系譜分析及雙生子分析多個角度並結合多種相關數理統計方法,對6項人類學特徵的遺傳方式進行了探討,初步確定了各項特徵的遺傳方式,評價了各特徵的遺傳與環境的相對重要性。The air codling system have been installed in open and semi - closed livestock houses. the experimental result revealed that the range of average temperature is reduced about 4, and the rh is about 80 percent, this environment can reduce the swine heat resistant. 5
將本降溫系統實際使用在開放式豬舍中,進行了系統的初步生產試驗,由試驗數據表明,舍內控制區域內平均溫度下降4左右,相對濕度在80人右,對豬八的生tffi環境沒有產生太人的矽,向,能夠人效的緩解豬只a多的熱應訊5The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent
在對重慶市的自然地理情況和社會經濟情況作了介紹之後,還分析了重慶市水資源的基本特徵,目前重慶市的水資源利用還處在傳統的開發利用階段,水資源管理體制還存在許多弊端,水的法規制度建設也相對落後,水的供給還不能完全滿足需求,水質狀況沒有得到根本性的改善,水土流失還很嚴重,水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀,本文提出:應加強對水資源持續利用的認識;改革目前重慶市的水管理體制,嘗試水務局管理體制,相應加強水的法規和制度建設,實現需水管理,建立節水型社會;根據實際情況,加強水利建設,實現水的供需平衡;依據「控源導流」的思想控制水污染,實現清潔生產;治理水土流失,保護水環境;建設防洪減災體系。Tragedy contains them both, goes beyond both, illuminates both, but comes to no conclusion. tragedy could, it is true, be called pessimistic in its view of the evil in the universe as unremitting and irremediable, but the blight man was born for, the necessary condition of existence. it is pessimistic, also, in its view of the overwhelming proportion of evil to good and in its awareness of the mystery of why this should be - the " unfathomable element " in which ahab foundered. but it is optimistic in what might be called its vitalism, which is in some sense mystical, not earthbound ; in its faith in a cosmic good ; in its vision, however fleeting, of a world in which all questions could be answered
悲劇包含了樂觀與悲觀,超越了兩者,反映了兩者,但是並不最終指向任何一方.的確,悲劇可以被認為是悲觀的,其原因在於它始終視世間的邪惡為永不止息和無法救贖的.然而那些悲劇人物卻是人類存在之必然疾患的證明.它是悲觀的,同時也在於它意識到在這世上惡相對于善是多麼強勢的存在,並且這一事實的不合理性也一直糾結在它心裏.這一深不可測的迷惘導致了以色列國王亞哈的沉淪.然而,悲劇又是樂觀的,因為其強大的生命力.這種在某種程度上神秘的,超乎世俗的生命力.它的樂觀性在於其對宇宙本質之良善的信心,在於其即使短暫,卻實在的,認為世間萬種疑惑終將被解答的信念Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子What may have been the relative length of these ethnical periods is also a fair subject of speculation.
人類文化上的這些階段的相對長度究竟是多少?這也是一個值得推敲的問題。Up until recently, those seeking the exotica of the universe ? dark matter as well as dark energy ? focused on the very largest scales ( galaxy clusters and up ) and on comparatively small ones ( a single galaxy )
直到不久之前,這些尋找宇宙怪物(暗物質和暗能量)的任務,若不是針對星系團以上的大尺度,便是集中在單一星系這樣相對小得多的尺度上。Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system
本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多脈沖轉速傳感器測量汽車的速度,毫米波雷達測量兩車的距離和相對速度,利用at89c51作為信息採集單元的控制中心,對各種信息進行分析判斷,當行車距離小於報警距離時啟動相關的報警單元。Diamond micro powder ( abrasive grain = 0. 5 u m ) is added to the plating liquor, after many experiments, we discover every parameter of composite electro - brush plating, includes voltage of brush plating, relative velocity of between brush plating pen and workpiece, adding quantity of diamond micro powder etc. finally steel balls millstone covering with ni - fe - diamond composite electro - brush plating film is produced successfully
試驗中加入粒度為w0 . 5的金剛石微粉,通過反復多次的試驗,確定出了鎳-鐵-金剛石復合電刷鍍中的各項工藝參數,包括電壓、鍍筆和工件的相對速度、金剛石微粉的加入量、溫度等等工藝參數;成功的試製成了覆蓋有鎳-鐵-金剛石復合電刷鍍層的鋼球研磨板。What is the average daily relative humidity of singapore
新加坡日平均相對濕度是多少The result was used to adjust relative humidity and to enhance the ability of mm5 mesoscale modeling system to produce accurate forecast of precipitation. we define the air condition includes 5 kinds : the clear sky, semitransparent or fractional cloud, high cloud and low cloud and middle cloud. in this process, we present the method development for the generation of cloud based on gms - 5 images. mm5 ( fifth - generation perm. state / near mesoscale model ) output will be extensively used for the off - line computation of dynamic changeable mutispectral thresholds in order to adapt to variable weather using statistical regressive relations produced by optimal regressive analysis
基於常規地面觀測資料,將天空狀況分為晴空、半透明雲或碎雲、高雲、中雲和低雲5種情況,用最優回歸分析法對mm5模式的三維要素場和常規地面觀測資料進行統計分析,得出雲判別和雲分類的衛星雲圖多譜閾值的統計關系統計回歸判別方程,對衛星雲圖進行雲判別和雲分類,據此得出mm5中尺度數值模式初始場各點的雲分佈,並對模式初始場的相對濕度進行調整,以達到改善中尺度數值預報模式預報結果的目的。According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。Grey correlation analyses show that at the time axis, the factors influencing the diversity of plants strongly are primary productivity, annual precipitation, relative humidity, mean temperature in january, and potential evaporation etc. the spatial distribution pattern of terrestrial vertebrates including mammals, birds, reptilians and amphibians were studied with methods similar to those for plants. 7 d
通過d以排序表明, d以第一軸與多個環境因子均呈顯著相關,其中與經度、年均溫、年均降水量、年均相對濕度、潛在蒸發量、初級生產力呈正相關,與緯度、海拔、年均風速、寒冷指數、年均日照率呈負相關。Without special forming equipment, the gradient distribution of components and the designed properties of the material can be achieved by the component graded change, layering formation and mechanical vibration. and the study shows that more layers of the structure, smoother transition from one layer to another
在沒有專門的水泥基梯度材料成型設備的情況下,採用組分梯度變化,通過分層布料和機械振動成型的方法,通過合理的控制,基本上保證了組分的相對梯度變化,分層越多,梯度分佈連續性越好。Relative density of composite pressing powder has no effect on linked interface
相對密度對結合情況無多大影響,說明同種材料的結合不存在多大問題。Then, using the large - scale coarse grained soil test system, the relative density and direct shear characteristics of sand - gravel mixtures in different size distribution were tested. and the soc affecting mechanism derived from non - uniform granular material was discussed. the phenomenon can be observed that, along with the increase of non - uniform degree, the accumulate structure will become more complex, and the sliding resistance among sands will grow accordingly
在此基礎上,利用大型粗顆粒實驗系統,測定不同非均勻系數沙石材料的相對密度和直剪特性,探討了顆粒非均勻程度對自組織臨界性影響的具體物理力學機制:隨著非均勻度的增大,散粒堆積體的顆粒結構空間分佈堆積方式的多樣性增大,顆粒滑動的摩擦耗能增加。Firstly, a study of target sorting in air combat of single aircraft against multiple targets is presented using the fuzzy optimization method. according to given velocities, distance, relative angle, the target capability and the relative energy index between the target and the attack, the factors are changed into threaten index, which is between the attack and the target, using the mathematic optimum method
應用模糊多目標決策基本理論與方法,在單機攻擊多目標機過程中,根據與排序有關的載機與目標機相對速度、能量、距離等因素,用模糊優屬度演算法把它們換算成目標機對載機的威脅指數,然後確定載機對目標機攻擊的先後次序。分享友人