結構特選級 的英文怎麼說

中文拼音 [jiēgòuxuǎn]
結構特選級 英文
selected structure
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  • 特選 : preference
  1. Ods possesses some characteristics of some characteristics and oltp systems of the data warehouse, it is the data " who faces the theme, integrates, or close to present, constantly changeably at present " because dss is peculiar : ca n ' t fully understand the demand ; the demand change is great ; implement time long cycle, but the customer demands to become effective and wait for the characteristic soon at the time of making bi systematic scheme of the enterprise layer, should consider on the issue that there is a great deal of, in a situation that the fish and bear ' s paw must hold concurrently, make the choice

    Ods ( operationaldatastore )是數據倉庫體系中的一個可部分, ods具備數據倉庫的部分徵和oltp系統的部分徵,它是「面向主題的、集成的、當前或接近當前的、不斷變化的」數據。由於決策支持系統有的:不能充分了解需求;需求變動大;實施周期時間長,但客戶要求見效快等點。在制定企業的bi系統方案時,就會有諸多問題要考慮,在魚和熊掌不能兼得的情況下,做出擇。
  2. Main methods and results are as followed : 1 epitope analysis of agonist - binding region of nrla physicochemical properties and antigenicity of two agonist - binding regions of nrla were analyzed through bioinformatics : domain p1 containing 151 amino acid residues preceding the first transmembrane domain of the human nrla, domain p2 with 144 residues following the third transmembrane domain. four parameters including hopp - woods and kyte hydrophilicityjanin accessibility, karplus - schulz flexibility, and welling antigenicity were used to determine the antigenic sites, and prosite programme and chou - fasman method were employed to analyze their related sequence motif and the secondary structures

    用goldkey軟體分別取公認的hopp等與kyte等親水性參數、 jain表面可及性參數、 karplus - schulz主鏈柔韌性參數及welling抗原性參數對p1 、 p2兩個多肽片段進行參數分析。並採用通用的prosite程序與chou - fasman方法比較分析p1 、 p2多肽片段的氨基酸位點與二徵。綜合判定兩個多肽片段的抗原性及其位點,果認為p2抗原性強于p1 。
  3. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在、控制規律、主要點和設計方法;取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所成的二集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要性及其應用,從四能速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值取幾種常用的閾值取方法進行討論,別對利用空間信息進行閾值取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的點,提出了基於筆劃徵的任意手寫數字在線識別技術和基於多分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  6. Electro - optical curves for lc cells have been analyzed and it has been shown mat a large attenuation range and a shallow attenuation slope can be achieved simultaneously for a variable optical attenuator based on a parallel - aligned lc cell with an appropriate surface anchoring strength. as compared with the existing liquid crystal - based voa structure ( using two cascaded lc cells with a particular material ), the present structure is simple and has no special requirement for the lc materials

    提出了基於弱錨定平行排列液晶盒的可變光衰減器(衰減范圍大、衰減曲線下降平緩以保證調節精度) ,與己有液晶型可變光衰減器定液晶材料、兩個液晶盒)相比較,本論文提出的基於弱錨定平行排列液晶盒的可變光衰減器簡單,同時對于液晶材料無殊要求。
  7. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的點,通過深入分析目前隧道支護設計中存在的各種問題,抓住高等公路長大隧道設計中隧道斷面的優化型及隧道支護的穩定性與承載能力兩個核心問題,引入優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化型方法,建立起一套完善的高等公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的斷面優化型,得出了一系列較為合理的支護設計參數。
  8. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高教練機的雙三角機翼氣動布局方案進行了優化擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了的受力情況,與工程實踐吻合
  9. Product info : the vibrating screen with circular motion is specially designed for quarry to separate crushed stone material into different sizes, and is dressing, cibstruction matefial, elecric and chenueal industies. it has a feature of advanced structure, powerful vibrating forces, low vibration noise, easy maintenance, high durability and etc

    上海林滬實業有限公司專為採石場篩分料石設計生產的「山友」牌系列振動篩,運動軌跡呈圓周,也可用於礦建材電力及化工部門等作產品分用,本公司產品具有先進激振力強振動噪音小易於維修堅固耐用等點。
  10. Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied

    通過四組強度等相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的性及摻合料對其骨料界面和水泥石的影響。
  11. A recurrence update method based on substructures and ann is presented especially for spatial structures. a structure is divided into multilayer substructures, the updating is realized step by step and a proper damage factor is

    針對空間點,提出基於子和神經網路的遞推模型修正方法,該方法將分解成多層次的子取適當的損傷因素實現逐步逐的修正。
  12. Thirteen putative epitopes showing characteristics of antigenic epitope were found from the analysis information. using pcr, the nucleotide acid fragments encoding these putative epitopes were amplified, then cloned into the expression vector miske. the positive recombinant phage displying the epitopes were found out by using pcr, sequencing and the determination of phage plaque titer

    運用goldenkey分子生物學軟體對prrsvbj - 4蛋白的抗原表位及其二進行了分析和比較,從中篩13段顯示表位徵的氨基酸殘基序列,用pcr技術擴增相應的核苷酸片段,將其插入到噬菌體表達載體m13ke ,果預測的13個表位可在噬菌體表面得以展示。
  13. As a kind of advanced composite materials, 2d weave structural composites have advantages of capacity to withstand the high temperature, high strength and light mass ; and it can be designed in material and structure to meet the need of the environment. especially it has the potential to be used as the special parts of the aero crafts which are able to withstand the very high temperature

    二維編織c sic復合材料作為一種新型高材料,有其耐高溫、高強度、質量輕等優良點,並能根據使用環境的要求進行材料和復合設計而成為最佳的高溫材料的候者,尤其作為航空航天飛行器需要承受極高溫度的殊部位用材料具有很大的潛力,日益受到人們的廣泛關注。
  14. With the rapid development of wireless communication technology and computer technology , people wish to get reliable data communication service any time and any where. traditional network can not supply communication service if the whole network need to move because the network devices are fixed by wires and can not move. so, ad hoc network comes. it can provide mobile data communication service compared with traditional network. ad hoc is a network with plat structure and all the nodes is equal. all the nodes need provide relay. but not all the nodes will provide relay and the performance of plat structure is poor in large scale. so the wireless mobile self - organized network adopts a two - level structure by referencing the cell mobile communication system. wmsn uses wireless routers to construct network. it can provide wireless access, relay services to users

    考慮到不是所有的站點都願意提供中繼服務及平面的局限性(在網路規模較大時性能會很差) ,本課題的無線移動自組織網路參考了蜂窩移動通信系統的點,是一種具有兩的網路。使用專門的無線設備? ? 「無線路由器」成具有用戶無線接入、無線組網和路由功能的無線互連網路,為移動用戶提供無線接入、路由和中繼服務。 ieee802 . 11b可以提供很高的通信速率,可以提供很好的接入性能,並且支持ieee802 . 11b協議的設備正成普及的態勢,因此成為我們所擇的鏈路層協議。
  15. In this dissertation, the following experiments are conducted : firstly, cloning of hpab - gene, i ) the amino acids sequences of 23 animal - peptide antibiotics were analyzed by multiple sequences alignment method and a pair of degenerated primers were designed according to the consensus sequence derived from mature peptides of some beta peptide antibiotics

    人源肽抗生素hpab -的基因克隆:對動物23種型肽抗生素的氨基酸序列進行對比,擇部分相似性較高的序列,分析其成熟肽的點,抽提型肽抗生素的一徵,並以此為基礎設計簡並引物。
  16. A split alu structure has been used to accomplish the simd operation and achieve high speed operation. in the rtl level design phase, we apply 3 methods to improve the speed of alu unit and dag ( data address generation unit ) which support the bit - reserve addressing and circular addressing : 1

    在dag模塊的設計中,以超前進位加法器成進位實現了對于比反轉尋址計算,以兩流水( id 、 da )實現了窗口尋址計算,滿足了時延要求。
  17. On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer

    本文基於甘肅黃土分佈、工程地質及路用性研究,對該黃土地區在建和已建的全部高等公路交通狀況進行了詳細調查和分析,劃分了交通量等;對甘肅黃土地區代表性的高等公路,利用三種不同方法實測了土基回彈模量,分析了各測試方法的相關性,建立了相關關系,對土基回彈模量進行了強度等劃分;通過室內外試驗比較,推薦了常用的半剛性材料和瀝青混凝土設計參數值;利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ,並成功求解了瀝青路面非線性優化設計模型;最後經計算提出了甘肅黃土地區高等公路瀝青路面典型,並編制了查詢圖庫軟體cx ? lq ,供設計單位直接用,科學簡便地解決了甘肅黃土地區的路面設計問題。
  18. Aimed to acquire high efficiency and realize high frequency of the converter, this paper takes the forepart of the aeronautical static inverter ( asi ) - dc / dc converter as research object. push - pull forward converter ( ppfc ), which adapts to be applied in low voltage, high current input power field, is proposed and studied in this paper based on comprehend to main characters of asi and references to the development of the vrm

    本文以航空靜止變流器中dc dc ? dc ac的前為主要研究對象,針對效率和高頻化問題,在充分考慮航空靜止變流器前dc dc點的基礎上,借鑒國外vrm技術的發展歷程,擇了適合於低壓大電流場合下工作的推挽正激電路( ppfc ) ,作為基本電路拓撲,進行了一些理論與實驗的研究工作。
  19. This dissertation analyzes cisco ' s crs - 1 system, describes and studies the properties of the path in benes network and the non - blocking conditions for benes network. according to these non - blocking conditions, some algorithms for composing routing labels are discussed

    本文對ciscocrs - 1系統交換平面內部所採用的benes和交換系統從1 . 2tbps到92tbps的升過程進行理論分析;對benes拓撲路徑性和路由擇演算法進行理論研究。
  20. First is the comparison of developing conditions of high - new technology both internal and external, and the developing process and its characteristics as well. now that high - new technology industrialization is in great demand, we should promote the whole structure of industry by the use of high - new technology. second is through analyzing strategic opt of the two problems, provide that the high - new technology and industrial development in liaoning should be based on the marketing guidance, selecting the superior and supporting the power developing fast, concentrating strength, stressing the emphasis, doing what we should do and canceling what we should n ' t. putting forward concrete measures from four aspects : enter prise development, fund, talent, corresponding policy

    本文就是在這樣的背景下來研究遼寧的高新技術產業化發展問題,通過對國內外高新技術產業化發展狀況的比較以及遼寧工業發展歷程及其點,認識遼寧工業發展面臨嚴峻的挑戰,急需發展高科技產業,以高科技產業帶動整個產業的升,同時運用高新技術改造傳統產業,並通過對遼寧高新技術產業化發展現狀的分析,提出遼寧高新技術產業化發展的戰略擇以市場為導向,擇優扶強,快速推進,集中力量,突出重點,有所為有所不為,從企業發展、資金、人才、配套政策等四個方面提出具體措施。
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