點對稱操作 的英文怎麼說

中文拼音 [diǎnduìchèncāozuò]
點對稱操作 英文
point symmetry operation
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  • 操 : Ⅰ動詞1 （抓在手裡; 拿; 掌握） hold; grasp 2 （做; 從事） act; do; operate 3 （用某種語言、方言說...
  • 操作 : 1 （按照一定的程序和技術要求進行活動） operate; manipulate; handle 2 （所進行的若干連續生產活動的...
  1. Through the analysis of contest experimental test questions from 1995 to 2003, it is found that metage, synthesis, standardization and determination are the characteristics of these years " experimental test questions. chemistry experiment is based on the elementary knowledge, especially checking the usage of suction pipet and buret. the core of questions lies on the basic operation of metage, dissolution, suction, refluxing, filter, wash and titration

    通過對1996 - 2003年化學競賽決賽實驗題進行分析得出： 「稱量?合成?標定?測定」是近幾年實驗試題的特點；化學實驗重在基礎，特別是考察移液管和滴定管的使用；基本操作如稱量、溶解、移液、回餾、抽濾、洗滌、滴定等是實驗考查的重點。
  2. In sna products, a key used to encipher operational keys that are to is used at a node

    在系統網路體系結構（ sna ）產品中，對將要在某個網點上使用的操作鍵標進行加密的一種鍵（也稱鍵標，也就是密鑰） 。
  3. Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed

    摘要哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此，人們用形態學、生物化學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對進行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。
  4. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  5. With reference to the cantilever erection of the continuous steel box girder of zhuanxing road overhead bridge crossing shenfengjin expressway in shanghai, this paper mainly describes the application of plc - controlled hydraulic sync jack - up system to the balanced cantilever erection of the box girder, closure construction of the girder at midspan, and the operation, control key points and corresponding technical requirements for application of the system

    摘要結合上海莘奉金高速公路顓興路跨線連續鋼箱梁懸臂架設施工，重點闡述了plc控制液壓同步頂升系統在鋼箱梁「對稱懸拼，跨中合龍」中的應用及操作控制要點、技術要求。
  6. In actual gis applications, both integrated gis platforms and specialized gis platforms are in demand. to satisfied with a special gis applications which has few spatial data, simple spatial objects, few demand for map ability, more demand for distance data access and more demand for multi - user cooperation ( i. e. : apply gis to telecomm resource management, electric power capital management, land property right management etc. ), a spatial data model based on constructed point set storage is presented

    針對空間信息數據量較小、空間對象相對簡單、圖形功能要求不高，但對遠程數據訪問、多用戶並發操作等功能要求較高的一類特殊應用（如電信資源管理、電力資產管理和宗地管理等） ，本文提出了一個基於構造點集（用於空間圖形對象構造的樣本點的集合，簡稱為構造點集）的全關系型空間數據模型，來滿足該類應用的特殊要求。
  7. The main content of the article is involved as follows : ( 1 ) the construction of system ' s frame and design scheme after the process of collecting experts " experiences and knowledge in the industry of plastic dies at home and abroad ; ( 2 ) concept structure of the whole database after the process of data abstraction and integration, which has previously been concept structure designed and the ensuring data model transferred to be supported by dbms, constructing 266 data files and inputting data ( data files referred to appendix 2 ) ; ( 3 ) the connection between web server and plastic die material database system realized by ado, odbc technology, which will guarantee the mutual information transportation between the database system and different terminals ; ( 4 ) interactive user interface of remote optimization selection es of plastic die material is built by asp technology on the server - side ; the construction of web server ; the functions that will enable clients to inquire information of plastic die materials in the database system by using standard db inquiry language ( program files referred to appendix 1 )

    本課題的主要內容是以b s結構為基礎建立基於web數據庫的塑料模具材料遠程選擇優化專家系統，使異地終端能夠通過網路在客戶端進行塑料模具材料瀏覽查詢、塑料模具材料選擇優化等操作，系統可給出符合用戶條件的被選的主要材料的技術資料，如化學成分、熱處理工藝及性能等，以及一些被選材料在行業中實際應用的良好效果等資料，並組成用戶技術文件，以便於用戶進行材料購買、加工和應用；專業人員能夠進行相應的管理。本文重點作了下述工作： （ 1 ）收集國內外塑料模具行業專家經驗與知識，構造本系統的組成框架和設計方案； （ 2 ）對數據進行概念結構設計，經過抽象和集成得到整體數據庫的概念結構，進而將其轉化為dbms所支持的數據模型，建立了266個數據文件並輸入了相關的數據（數據文件名稱列表參見附錄2 ） 。
  8. In this work, we will emphasize our study upon the problem of optimization technique, in particular, we will combine the process analysis with economical analysis as well as production decision, with least or without investment in equipments by this way

    這類問題可以稱之為操作條件的優化問題。本文首先綜合目前化工過程優化方面的科研成果，對化工過程多層優化框架的特點進行了簡要的概括，同時對操作優化過程進行了詳細的論述。
  9. The real - time control strategy ( rtcs ) presented here determines the ideal operating point of the vehicle ' s engine and motor by genetic algorithms ( ga ). the approach implicitly incorporates the effects of many factors which include the vehicle ' s fuel economy, vehicle ' s emission, soc of battery, regenerative energy, temperature of engine, operating history of the vehicle and so on

    本文針對eq7200並聯混合動力轎車制定了實時控制策略，採用了遺傳演算法實時確定發動機和電機的工作組合點，控制過程綜合考慮了車輛燃油經濟性、車輛的排放性、蓄電池的充電狀態（ stateofcharge ，簡稱soc ） 、制動能量、發動機的溫度及車輛的操作等因素。
  10. When people ’ s bank of china ( pbc ) implemented contractionary monetary policy in 1993, the increased interest rate restrained the investment and consumption effectively. yet when interest rate was reduced in 1998, the economy did not response actively to the interest rate policy. the purpose of this thesis is to test whether the asymmetric effect exists in china

    一、論文的主要內容及觀點20世紀90年代以來，中國人民銀行加強了對利率工具的運用? ?曾於1993 - 1995年先後四次上調利率， 1996 - 2003年連續八次下調利率，然而兩次利率操作的效果卻大不一樣，這種政策效果的差異性同經濟學家提出的「貨幣政策非對稱效應」恰好吻合。
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