key variable 中文意思是什麼

key variable 解釋
品種檢索表
  • key : n 1 鑰匙。2 要害,關口,要沖。3 關鍵,線索,秘訣;解法。4 (外國書的)直譯本,圖例,題解,圖解,...
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. Ammonia - oxidizing bacteria which oxidize ammonia to nitrite is a key group of nitrifying bacteria. the population of ammonia - oxidizing bacteria is variable with the different environment

    將氨氧化為亞硝酸鹽的氨氧化細菌是硝化菌群的重要組成部分,它的種類隨生境差異而有所不同。
  2. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究,根據感應電動機的等效電路和相量圖分析,指出大功率電機變頻轉工頻能否成功,關鍵在於變頻轉工頻瞬時,工頻電源和變頻輸出電源是否相位一致。
  3. In order to implement an energy - saving method which keeps iron loss equal to copper loss using variable - voltage in light load, induction motor parameter identification at any moment is a key problem

    對于輕載調壓使銅損等於鐵損的這一節能方法而言,在線辨識出電機的參數是一個關鍵點。
  4. Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety

    動力性能:風冷二沖程發動機,功率強大,多種進口件組裝,性能穩定可靠,壽命長;優異的啟動性能,保證您不超過三次拉動,即可啟動發動機;採用無級變速裝置及性能優良的碟剎系統,使整車運行安全可靠,操縱方便;鏈式傳動,令功率損失減至最小。
  5. The different methods presented above, especially tsf method and separating - variable method, are simple, efficient, robust and with boldness and ingenuity of conception. they all break through some key problems and difficulties in reconstruction technology of hyper - surfaces

    上述諸方法,尤其是二步法和變量分離法,簡單高效,構思新穎巧妙,突破了超曲面重構的難點和關鍵技術。
  6. The result of computer and analysis based on blade elements theory shows us that we can regulate the rotate speed of wind turbine rotor by changing set angle and pitch h. variable - pitch system is the key component of the whole wind turbine, which can assure safely pitch - control and brake

    本文利用葉素理論,經計算分析得出:通過改變風力機安裝角可以改變槳距h ,從而改變風力機的轉速。變距機構是變槳距控制型風電機組實現變距控制和安全剎車的關鍵機構之一,它的運動由平動和轉動兩部分組成。
  7. So, this paper that is based on the their own characteristics and their status, discusses the salary system ’ status and problems of the middle and small - scale iron and steel enterprise, and point out some new creative thoughts according to the compensation rules of the shuicheng iron & steel group company and nanjing iron & steel united co., ltd. in the principle which retaining and motivating the key staff is mainly and recruiting the employees from the external is supply, we should do seriously the job analyze and post appraisal, and adopt the market pay level which is the hybrid policy. in the additions, in the guidance of the hierarchy of the need theory, takes the deference measures to design the compensation structure according to the executive 、 the middle and low level manager 、 technicians and operative employee doing the contributions to the enterprise, adjusts the ratios of fixed wages and variable wages, uses the annual salary system for the executive, implementing the dual ladders to the managers and the technicians

    為此,本篇論文主要是根據中小鋼鐵企業的自身特點,論述了中小鋼鐵企業的薪酬體系的現狀和存在的不足,並結合水城鋼鐵(集團)公司和南京鋼鐵聯合有限公司兩家鋼鐵企業的薪酬制度,提出了相應的創新思路,即在以留住、激勵關鍵人才為主,以外部招聘員工為輔的思想指導下,認真做好工作分析、崗位評價工作,採取混合政策的市場薪酬水平,同時,在需求層次理論的指導下,根據經營管理人員、一般管理人員、技術人員及操作人員對企業的貢獻不同採取了不同的薪酬結構設計,調整了特殊人群的固定工資和浮動工資的比例,對經營管理人員實行年薪制,對技術人員和管理人員實行「雙梯制」的職業發展通道,從而確保了薪酬制度的公平性、經濟性、激勵性,不同程度地鼓勵了企業特殊人才的工作積極性和主動性,優化了企業的制度,提高了企業的核心競爭力。
  8. The theme in the paper is to key parts of project of study and development on original non - frictional continuous action mechanical variable speed drives, which is supported by chongqing municipal science and technology committee schedule projects, it will make good foundation in relative technology research domains

    本論文研究內容是重慶市科委科技攻關項目「新型非摩擦式連續作用機械無級變速器的研製與開發」工作的一個重要部分,它將為新型非摩擦式連續作用機械無級變速器產品的開發打下良好的基礎。
  9. This text will analyze technology requirement and realization way of flow field adjusting system of fl - 8, and expatiate the theory of frequency conversion. ac variable frequency speed regulator controlled by dtc become the key technology of this facility and make it more advantage and credible. new method and tactic to control wind speed was given

    本文分析了fl - 8風洞流場調節系統的技術需求和實現途徑;闡述了變頻原理, dtc控制的交流變頻調速器作為風洞流場調節系統的先進性和高可靠性及關鍵技術;提出了風洞風速控制的方法和策略。
  10. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面,一是注重實用;二是注重對移動和ip網路的適應;三是在混合編碼器的基本框架下,對其主要關鍵部件都做了重大改進,如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。
  11. In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied

    其次,將這一模型用於分析下坂地水利樞紐工程,由於該工程河床覆蓋層深度最深達147 . 95m ,是壩體高度的近兩倍左右,壩基的滲流和液化成為壩體安全主要問題,本文對該壩的三種設計方案即水平鋪層防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案的靜態應力位移及壩體在竣工期、蓄水期等各個階段可能產生的破壞進行了認真研究。
  12. Piston is the key parts of engine of tank and chariot, whose shape is convex and variable ellipse. the piston was made up of separate parts. the different part used different material

    活塞是坦克、戰車等發動機的關鍵件,其形狀是個「中凸變橢圓」的異形回轉體,是由2 3種不同材料加工的分體零件組合而成的,而且在機械切削加工完成之後又在外表面噴塗了一層石墨。
  13. A coke oven represents a kind of controlled object with a full spectrum of closely coupled factors, such as distributed parameters, no - linearity, time - dependent change and multi - variable features. among them, the discharge header pressure and fan suction are key parameters, and also constitute strongly coupled variables with very close inter - relation, which are fulfilled by the way of regulating coal - feeding and the rate of primary air supply in practice

    焦爐是一個分佈參數,非線性、時變、多變量緊密耦合的被控對象,其中集氣管壓力和鼓風機吸力既是關鍵參數,又是具有緊密關系的強耦合變量,它們均是通過調節給煤量和一次送風量來實現控制的。
  14. Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "

    「神光? 」裝置90的激光能量由同軸雙程主放大器提供,同時增益飽和效應產生脈沖波形畸變也主要發生在主放大器階段,因此應用組合式角變反鏡( avm , angularvariablemirror )獨立精密控制主放大器各路的增益性能是實現「神光? 」裝置精密化功率平衡的關鍵。
  15. The core of epiipc is the 51 series microcontrollers, which automatic detect the error signal of the circuit, like short circuit, overload, high voltage, low voltage, current leakage etc. meanwhile it monitors and tests the insulation level of high voltage cable, with convenience two variable key setting and full chinese version lcd display features

    本次研製的保護器以高檔51系列單片機為核心,能自動判斷線路中出現的短路、過載、過壓、欠壓、漏電等故障,並對高壓電纜的絕緣水平進行實時監測,有方便的兩鍵參數設定和全中文液晶顯示功能。
  16. Retrieves the value of an environment variable from the current process or from the windows operating system registry key for the current user or local machine

    從當前進程或者從當前用戶或本地計算機的windows操作系統注冊表項檢索環境變量的值。
  17. Variable optical attenuator is one of the key devices in wavelength - division multiplexing systems

    可變光學衰減器( voa )是波分復用系統的關鍵器件之一。
  18. Then some key techniques in mpeg - 2 and mpeg - 4 recommendations are studied and compared in detail, including motion estimation, motion compensation, discrete cosine transform, inverse discrete cosine transform, variable length coding and layered description of picture and code stream

    然後深入研究了mpeg - 2建議的視頻編碼標準,包括ts流、 ps流、時鐘恢復、視頻與音頻的同步、基於場的運動補償、 dct及變長編碼。
  19. In the closed system composed of human, vehicles and road surrounding, the perceiving of the state of road surrounding is the first key factor to assure safety when steering. this paper studies the representation approaches of state information during driving and established vehicle - surrounding state feature model to illustrate the variable and dynamic state of running vehicles

    針對人-車-道路環境構成的閉環系統,駕駛過程中道路-環境狀態的感知這個首要因素,本文研究了駕駛過程狀態信息的表達方法,建立了汽車-環境狀態特徵模型,描述了汽車在行駛過程中時變動態的駕駛狀態。
  20. With respect to the issue of integrated flight / propulsion control system design, adopting the decentralized solutions of system integration, this article studied the key technologies in this integrated control system, based on which a real - time integrated closed - loop model of plane / engine was built and a study of variable structure control of integrated flight / pro - pulsion control system was conducted. through a great many simulations, the feasibility of the solution was verified and a simulating platform of integrated flight / propulsion control system was designed and developed by utilizing directx multi - media development libraries

    本文針對飛行/推進綜合控制系統設計問題,採用分散的系統綜合方案,研究了飛行/推進綜合控制中的關鍵技術,在此基礎上建立了飛機/發動機綜合閉環實時模型,進行了發動機的變結構控制研究,通過大量的模擬,驗證了控制方案的可行性,並基於directx多媒體開發庫設計完成飛/推綜合控制系統模擬平臺界面的開發。
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