open field system 中文意思是什麼

open field system 解釋
敞地制
  • open : adj 1 開著的,開放的;可進入的,可分享的 (to); 無蓋的,敞口的;敞開的;展開的;開的;開闊的,開...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Paragraph of time, the physical - training teacher educating a branch to organize implement new class bid to middle and primary school reforming condition making an investigation, indicate on inquiry in the front, scale is small since a little school running a school, a little rural area elementary school, does not move space especially, be not enough to pay attention to waiting a minute or to physical training, do not have very good according to that new class switches over to demand to open enough physical education, since entering the higher school the system restraint, a little school defies student sports activities and good health, physical education birthplace having some of higher class with the method of work " resorting to fraudulence ", go ahead culture class within outside row physical education, at present major middle and primary school stadium field layout, equipment and material facilities are obsolete, short - supplied, foundation has no way to ensure that regular sports of school is flexible carrying out, is difficult to say material request adapting to new class more

    前段時間,教育部門組織體育教師對中小學實施新課標改革情況進行調查,調查表明,一些學校由於辦學規模小,特別是一些農村小學,沒有運動場地,或者對體育鍛煉不夠重視等等,沒有很好地按照新課改要求開足體育課,由於升學制度的制約,一些學校無視學生體育活動和身體健康,有些高年級的體育課貫用「偷梁換柱」的做法,外排體育課,內上文化課,目前多數中小學體育場地布局、器材設施陳舊、緊缺,根本無法保證學校正常的體育活動的開展,更難以說適應新課材的要求。
  2. The torpedo control system structure based on field bus technology has also been studied in this dissertation. presently, ccs is still widely used in the torpedo and there are many problems holdback the development of the torpedo control system, such as emi. by the introduction of the conception of " open bus system " to the torpedo control system, the performance of system can be improved greatly

    本文還研究了基於現場總線技術的魚雷制導系統結構,目前魚雷控制和自導系統仍然主要採用集中式控制結構,存在諸多困擾魚雷控制系統發展的問題(如電磁干擾等) ,在魚雷制導系統中引入開放式總線系統概念(即將現場總線引入魚雷制導系統中) ,可以極大地提高魚雷控制系統的性能,解決原先存在的許多問題。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  4. With its new frame. modern technology, complex information dispose and unique control mode, it embodys an idea which is information centralized and control decentralized. its main advantage is system open and interchange and its frame is so simple that it can decrease producative. cost and maintenance load. as it is a new technology, there are different kind databus standards which adapt to different control area. this papaer firstly introduces field bus ' sframe work, function, type, compares distributed control system and field control system. then it focuses on introducing can protocol and can control chip sja1000 and can interface chip 82c250, at last, it introduces how to set up a typical automatic control model based on can. this model can be used in practical industrial control area and management area by appropriate change

    由於現場總線是一門新技術,有各種不同的總線標準和總線形式,它們適用於不同的領域,本論文首先分析現場總線的體系結構、功能、類型,比較集散控制系統與現場總線控制系統的區別,然後集中論述了其中的一種現場總線? ? can總線( controllerareanetwork ) 。介紹了它的協議規范,並且介紹了現在比較流行的can控制器晶元sja1000和can介面晶元82c250 ,並在此基礎上,組建了一個典型的基於can總線的自動化模塊控制模型,把這個模型進行適當的改動就可以用於實際的工業控制領域和管理領域中。
  5. During the late 19th and early 19th centuries the open - field system ended when the enclosure acts enabled weal their landowner to seize any land to which tenants could prove no legal title

    18世紀末, 19世紀初, 《圈地法》地頒布使較富有的土地主攝取佃農不能證明合法的土地,因此「開放田地」結束。
  6. The object change will immit some fresh blood in the research field. because region in a country is an open system, especially for finance, market is highly integrated, and fund and other factor freely flow

    這一研究對象的變化顯然會為該領域的研究注入新的血液,因為一個國內的地區相對于其他地區是完全開放的,尤其是對于金融這一要素而言,市場是高度統一的,資金的跨地區流動也沒有制度的限制。
  7. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅動場或探測場失諧時,原子對探測場和驅動場色散的響應不再為零,雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益(吸收)的時間演化規律明顯改變;隨著失諧的增大,探測場增益(吸收) 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場色散驅動場失諧量的增加而振蕩時間變長,振幅和穩定值變大
  8. The fft transformation is used to transform near - fields to far - fields. an open guide axis near - field distribution is measured by this system and simulationed by hfss, two results maintain the good consistency

    光調制散射器測量近場測量方法測量得到的開口波導軸線的近場分佈結果與hfss模擬結果保持了良好的一致。
  9. With the developing of computer technology and science of management, erp has put into use in many enterprises. in a long time, most erp systems adopt static solutions based on two - tirer c / s architecture, which hardly keep up with enterprise ' s reengineering and evolution, are showing such disadvantages as high cost of development and implementation, difficult to maintain, etc. in this dissertation, combined with current conditions of erp software system, latest advancement in modern software technique and characteristics of erp software application field, the author build a three - tier erp sytem based on mts that meet current application need, at the same time, the author probes into application of the relatively mature component techniques and distributed computing techniques in erp software currently. this erp system has been put into use in the management of heifei yichen drygoods ltd. co successfully, compared with traditional erp system, this is a open, better integrated system, can adapt to different application environment such as difference among various enterprise application, different system platform, etc

    長期以來, erp系統大都是基於c s兩層靜態解決方案,它在目前的應用環境下,難以滿足企業重組、動態變化的需要,暴露出開發、實施成本高、維護、升級困難等等缺點。本文結合erp軟體系統的現狀及現代軟體開發技術的最新進展,設計並實現了一個基於mts的三層erp系統,探討了組件化軟體開發技術、分散式計算技術在erp中的應用。該erp系統已被成功地運用於合肥益成紡織品有限公司的管理,與傳統erp系統相比,此系統具有更好的開放性、集成性和環境適應性。
  10. In chapter 4, we study nonlinear theory of the open v - type system with two - color incoherent pump. in this chapter, we discuss the conditions for the onset of lwi and the stability of the system in the limit of strong driving field, and the effect of incoherent pump rate rt on the gain, dispersion and population differences. we also discuss the effect of nonlinearities and the effect of pumping rate threshold of the pumping field

    接著第四章討論雙色非相干泵浦系統的非線性理論,分析了強驅動場情況下的lwi產生的條件和穩定性、非相干泵浦速率r ~ 1對增益、色散和粒子數差的影響;討論了該系統的非線性效應和非線性對非相干泵浦速率r ~ 1與r閾值關系的影響。
  11. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光,利用密度矩陣運動方程,通過理論分析和數值計算,得出該系統產生無粒子數反轉激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響,還討論了頻率上轉換區域的非線性效應,分析了增益的穩定性及系統的瞬態演化過程。
  12. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的相位漲落對開放的v型三能級無反轉激光系統的影響,根據解析解的數值計算結果討論了非相干泵浦速率、粒子注入速率之比、粒子退出速率、探測場和驅動場的rabi頻率和相應失諧對系統增益、色散和粒子數差的影響,得到了一些不同於封閉的v型系統及其他開放的無反轉激光系統的重要結論。
  13. Taking the military battle command planning as a sample, it deeply discusses the construction and realization of multi bases system for military battle planning, such as distributed database, model base and knowledge base. on the other hand, it achieves the heterogeneous data interoperation and information resource sharing using multi - agents and mts / com + components. finally, it provides important technical support for the construction of multi - object based open intelligent platform in the field of military battle planning

    在此基礎上,本文以軍事作戰指揮規劃為研究實例,深入探討了軍事作戰規劃分散式數據庫、作戰規劃模型庫、分散式知識庫等多庫系統的構建及其實現過程,實現了基於多agent和mts com +中間件的異構數據互操作及信息資源共享,為構建面向軍事規劃領域和多應用對象的開放式智能化作戰指揮平臺提供重要的技術支持,從而適應網路環境下軍事作戰指揮的數字化、可視化和智能化的發展趨勢。
  14. For example, digital signature, identity distinguish are both the new technology and application derived from the cryptography. ecc is the one of the known public crypto methods that provide the best strength - per - bit. with the deeper application of ic card in the field of finance and telecom, the ecc crypto system will not only upgrade the application level of ic card, but also open up more application fields

    橢圓曲線密碼體制( ellipticcurvecryptosystem ? ecc )是目前已知的所有公鑰密碼體制中能夠提供最高比特強度( strength - per - bit )的一種公鑰加密體制,而智能卡已廣泛用於金融、電信等領域,利用橢圓曲線密碼體制不僅將大大提高智能卡的應用水平而且還將大大拓寬智能卡的應用領域。
  15. By magnetic field analysis for the stage, three formulas reached : one is magnetic road magnetic force calculational formula of magnetic levitation system that except flux leakage, the second is magnetic driving force calculational formula for open magnetic road dc linear motor, the third is magnetic flux density calculational formula for dc linear motor. these formulas make reference for design, analysis and control

    本文對磁懸浮定位平臺進行了電磁場分析,推導出磁懸浮系統不計漏磁的簡單磁路、磁力計算公式和原理樣機所採用的開磁路直流直線電機推力及磁通密度計算公式,為設計、分析及控制提供參考。
  16. Single - loop flash and sound alarm controller adopts advanced microprocessor for smart control, and can match use with our any control instrument or other contact check control instrument. it can be conveniently fabricated into multi - loop alarm system. on the field normally open normally closed input mode are optinal for users

    超大屏幕單迴路數字顯示控制儀採用先進的微處理器進行智能控制,適用於溫度濕度壓力液位瞬時流量速度等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高精度的線性校正。
  17. The reason lies in the fact that the ibdp teaching process comprises a system of " teaching - results - assessment - teaching ", which best elaborates the effect of this perfect assessment, which, by working constantly, guides the teaching effectively. this brand new system makes the teaching method and style quite different from the domestic teaching which is characterized as instilling. the integration of students - oriented open teaching method and its specific field trip fosters the students ' creative ability, infonnation collecting and processing ability, as well as the ability to cooperate, to explore, and to practise, effective geography techniques, and the double character of science and human and it greatly enhances teaching effect

    本文作者對ibdp (國際文憑大學預科)地理學科的評估方式進行了深入研究,發現ibdp地理學科和國內普通高中地理學科的教學目標是相擬的,但體現在學生身上的能力卻大大不同,其原因在於ibdp地理學科通過教學過程? ?教學結果? ?評估方式? ? ?教學過程這樣的一個循環體系,充分發揮了其完善的評估方式的作用,通過不斷地進行形成性評價,對教學過程進行了有效的指導,從而使得ibdp的課堂教學方法和模式和國內普通高中主要是灌輸知識有著顯著不同,其以學生為主體的開放式教學思路和特有的野外實習活動交互回應,使整個教學過程向著有利於培養學生創新能力、信息搜集和處理能力、合作能力、有效的地理技能、自主學習能力、交流和合作能力、探究能力、實踐能力以及科學和人文雙重品質的方向發展,取得了良好的教學效果。
  18. Real - time surface velocity field measurement system and three - dimensional particle velocity measurement system are developed. systematic experimental research on the movement of coarse sediment particles in open - channel flows was carried out using developed system

    本文研製開發了表面流場實時測量系統和顆粒三維運動測量系統,並採用顆粒三維運動測量系統對明槽水流中粗顆粒的運動進行了系統的試驗研究。
  19. Since the current key technology - corba in distributed object technology is introduced to the field of network management, it has become the core technology driving the development of network management it has the unparalleled superiority : easily creating the expansible network management model ; adapting to the retractility of network management system ; offering open and standard interface ; separating the users " interfaces from manager ' s code ; integrating with the programming language ' s advantage ; offering high compatibility and availability. integrating with web and java makes the network management based corba more stranger

    以corba為代表的分散式對象技術一經引入,便成為推動網路管理技術發展的核心技術,它具有其它技術無法單獨取代的優越性:便於創建易於擴展的網路管理應用框架、可以適應網路系統的可伸縮性、可以提供開放和標準的介面界面、可以將用戶界面和管理方代碼分離、可以結合各種編程語言各自的優越性、可以提供更高的容錯性和高可用性,而與web技術、 java技術的結合使得基於corba的網路管理如虎添翼。
  20. In this paper, for the first time, it is proved that oct is an open loop system, so that the adaptive optical transducing principle on independent variables and the solenoid collecting magnetic field optical transducing principle are presented. based on the above two principles, the methods are gained to improve the precision and stability of oct, and the new adaptive optical current transducer ( aoct ) had been developed

    本論文在深入研究oct的原理、結構和運行特性的基礎上,首次在理論上證明了oct是開環系統,並首次提出了獨立量自適應光學傳感原理和螺線管聚磁光學傳感原理,進而得到了提高oct測量精度和長期運行穩定性的有效方法…光電獨立量自適應光學傳感原理和螺線管聚磁光路結構,並以此研製成功了新型的自適應光學電流互感器( aoct ) 。
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