正比動作 的英文怎麼說

中文拼音 [zhēngbǐdòngzuò]
正比動作 英文
direct-action
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 正比 : [數學] direct ratio; direct proportion
  1. Coordinate system of the manipulator is built, and kinematic equation is obtained. the reverse kinematics of the robot is analyzed using algebra and geometry, and the conditions to eliminate excrescent results are presented. and the working space of the mechanical arm is gained, singularity of the manipulator is analyzed

    對機械臂進行了運動學分析，建立機械臂坐標系，建立正運動學方程，並採用代數法和幾何法求解機器人逆運動學問題，並給出剔除多解的條件，求解出機器人手臂的工作空間和雅可比矩陣，並對機械臂的奇異性進行分析。
  2. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. Forehand attack is a non - habitual action in table tennis playing. it is the most important skill of quick attack players and the key of table tennis teaching to the students majoring in higher physical education. to have a good command of forehand attack in very short time is an important subject in table tennis teaching and coaching. compared with different results of teaching and coaching experiments, it is proved that the alternate teaching and coaching method combined with external factors in practice can help the students form the dynamic finalization, that the teaching and coaching method is very effective and can be used in table tennis theoretical teaching and practical coaching

    正手攻球是快攻運動員最重要的技術，是高校體育專業學生乒乓球教學的重點，是一個非習慣性動作，要在較短的時間內高質量地掌握正手攻球，是乒乓球教學中的重要課題.從實驗對比入手，深入研究並確定以交叉教學法並配合練習中施加外部因素的方法，使學生形成穩固的正手攻球動力定型，能明顯提高教學效果，具有較好的實用性
  5. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  6. The plot is less than logical and the motives of the characters are also not that convincing. it is all about the action. for instance, lam is supposed to be a very intelligent detective, but his behaviors are simply too absurd to make you think so

    正如上述影片雖有千禧化的包裝但骨子裡其實仍是八十年代的港產動作片風格情理比較薄弱林貴仁只是聰明笨伯所謂的奪寶陰謀總是兒兒嬉嬉似的始終無法讓人信服。
  7. In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material

    本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。
  8. Further, it assumes that the states change over time at a rate proportional to the values of the states plus a proportional contribution of any control actions that might occur, such as motor torques

    此外它假定狀態隨時間改變的比率，正比于狀態值加上控制動作（比如馬達轉矩）可能造成的比例影響。
  9. 5 the client may not independently modify software components ( change binary code ) of the client side of the trading platform, to scan ports of the server side of the trading platform, as well as make any malevolent action in order to create overload, failure or incorrect performance of the trading platform

    5顧客無權自己改形商業程序的顧客部份的程序成分（比如改變二進制編碼） ，無權掃描商業程序的服務器的部份以及無權進行目的是引起商業程序的過載、故障或者非正確操作的任何惡意性行動。
  10. Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively

    指出了採用內部混合氣形成方式且高壓噴射的氫發動機，有利於提高充氣效率和壓縮比，從而改善發動機的動力性和經濟性；有利於擴展發動機正常工作的濃度范圍；並且有利於實現稀薄混合氣快速燃燒，從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。
  11. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  12. This shows that sliding friction is proportional to the reaction between the surface in contact

    這說明滑動摩擦力與接觸表面的作用力成正比。
  13. This paper analyses the definition of science and technology, relationship between sports and science and technology and the influences of science and technology on track and field and reveals that modern science and technology greatly improves the development of track and field

    摘要對科學技術的含義、科學技術與體育運動的關系，以及科學技術對田徑運動的作用進行了分析，揭示了現代科學技術對田徑運動的發展具有重要的推動作用，使運動成績得到進一步提高，比賽更加公平、公正，更加激烈，訓練更加科學化。
  14. Compared with traditional cluster, the cooperative - type - cluster has carried the sync net packets from all real server ’ s network cards to director and set up a priority queue of sync net packets for dmcs, then it has transmitted them through the cooperation of nodal servers and directoer, it has made that the nodeal server lost efficiency suddenly or automatically joined or broke away from the cluster not influence the whole system ’ s normal running again ; meanwhile, it can avoid reducing handling capacity even appearing phenomenon of “ living locking ” in high load

    與傳統集群相比，合作式集群從各真實服務器端網卡報文隊列中分離出請求報文移至負載均衡器端，建立針對分散式測控系統的請求任務報文優先權排隊隊列，通過節點服務器與負載均衡器合作進行報文轉發，使得節點服務器突然失效或自動加入脫離集群不再影響整個系統的正常運行;同時，也能避免在高負載下處理能力降低甚至出現「活鎖」的現象。
  15. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。
  16. The preceding five steps modal frequencies and the corresponding vibration modals of the main frame are calculated. by means of the comparison basic frequency with the other vilration sources and the analysis of each other step vibration modes, the structure is proved to be safe this dissertation studied the important mechanism of the roadheader

    求出其5階固有頻率和振型，將固有頻率與振源頻率比較，並對各階振型進行動態觀察與分析，得出了其在正常工作時不會發生共振的結論。
  17. The paper aimed at the 5500hp ac transmission diesel locomotive jointly developed by ziyang diesel locomotive works and zhuzhou electric locomotive research institute as its reserching object. by means of the discussion about the main technical parameters of the locomotive and its ac transmission control system, the comparison of the technical scheme and the analysis of the working processes, the paper eventually determined the main technical plan of this locomotive and its transmission control system

    本論文以資陽內燃機車廠和株洲電力機車研究所正在合作研製的5500馬力交流傳動內燃機車為研究對象，通過對機車及交流電傳動控制系統技術參數論證、技術方案比選和工作過程分析，最終確定了機車及其傳動控制系統的主要技術方案。
  18. The abs ’ mainframe can get train ’ s velocity and acceleration from the velocity sensors, and then accomplishes some certain braking actions in term of them. but velocity sensors are easier damaged because of its special installing position and working environment. the mainframe of abs only can diagnose some simple faults, for example, the short circuit and open circuit

    其中速度傳感器是防滑器正常制動的關鍵部件，但是轉速傳感器在工作時安裝位置比較特殊，工作環境惡劣，容易受到腐蝕、碰撞等損傷，而防滑器主機通常僅能對轉速傳感器的短路或斷路故障做出診斷，對轉速傳感器發生的其他故障難以識別，這樣就容易在列車運行時引發防滑器誤動作，甚至導致事故發生。
  19. Compared with traditional sensors, the saw sensors can be used for wireless passive sensing with no need for a separate power supply, which makes it possible to measure parameters of fast moving or rotating objects. in addition, wireless passive sensing in extreme environment likes strong electromagnetic interference and low temperature becomes obtainable

    與傳統傳感器相比，其最大優勢在於它能實現無源無線遙測，這使得它能運用在諸如快速移動物體、旋轉體等無接觸測量中，並且在強電磁干擾、低溫等極端工作條件下也能正常工作。
  20. When you are finished hitting with an open stance it is much easier to recover back to the center of the court because your body has not moved as far away from the correct recovery position as you would have when hitting with the closed stance

    當你用開放式步伐擊球時，在場地中的動作恢復是容易得多的，而當用關閉步伐擊球時，你的身體移動得比較多，無法像你開放式步伐那樣，迅速而正確地恢復位置。
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