更換速率 的英文怎麼說

中文拼音 [gēnghuàn]
更換速率 英文
turn over rate
  • : 更副詞1. (更加) more; still more; even more 2. (再,又) further; still further; furthermore
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 更換 : renewal; change; replace; transposing; exchange; replacement; alter
  • 速率 : speed; rate; tempo
  1. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快發展,電容式加度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉為電壓、電流或者頻信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就小。
  2. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時,基質金屬的沉積連續進行,粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附,重新回到溶液中;採用周期向脈沖時,反向脈沖電流使表面荷正電的較大的粒子易從電極表面脫附,同時,反向脈沖電流對基質金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加,三種鍍層的晶粒都明顯細化,說明al _ 2o _ 3的存在阻止了晶粒的長大,提高了電沉積過程中晶核的形成
  3. The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost

    該保潔車有七大特點: 1 、該車外型設計美觀大方,操作簡單靈活,明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱; 2 、佳鹿電動保潔車變箱是我公司的專利產品,特點是拉重貨,輕松爬坡而且省電,延長電瓶的使用壽命; 3 、佳鹿電動保潔車后橋雙輪制動,是我公司的專利產品,特點是結構簡單,操作方便,維修容易,制動性能好; 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度,使環衛工人能輕松地裝卸,倒車時具有良好的視線,減少事故的發生,安全系數高; 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力,減輕了環衛工人的勞動強度,特點是故障少功大,免維護; 6 、佳鹿電動保潔車整車採用鋼化玻璃,前進倒車都有良好的視線,不易劃傷,保證環衛工人的安全; 7 、佳鹿電動保潔車外部採用鋼板,內部採用玻璃鋼內膽,外部特點:鉸鏈在鋼板上不易松動,經常自卸不變形,經得起碰撞,內部採用玻璃鋼內膽,不生銹、不腐蝕,磨損后內膽可以,維護成本低。
  4. Compared with the traditional edge milling machines, this machine series is dismountable in their tracks, more rational in structure by heat - treatment of the bench, more reliable and stable in the milling & turning head ' s running. the feed and feed - back systems are fully independent respectively. the feed - back is quick and is highly efficient. the angle of the milling tool ' s tray is convenient in adjustment, and the custom - built tool rest and the normal tool rest can be inter - converted. they are the updated products of the traditional edge milling machine

    該系列銑邊機與傳統銑邊機相比,其導軌安裝形式為可拆裝式,並通過熱處理,床身結構合理,銑削頭運行平穩可靠,其進給系統與返程系統完全獨立,返程度快、效高、銑刀盤的角度調整方便,定製刀盤與標準刀盤可互,是傳統銑邊機的代產品。
  5. Comparing with the stockjobbers outside, although we can also enjoy the same treatment with others, we are still too weak even from the capital size capital strength managerial mechanism managerial efficiency to the stuff of talented person along with entering the wto, our stock market will completely be opened, abroad stockjobbers will threaten our stockjobbers seriously when they are familiar with the operations of our lacal ones, however, we can also obtain more and more opportunities at the same time : the market of our local stockjobbers will become wider from local to international capital market, it can advanced the speed of our local securities industry to improve the system conditions, to renovate manage system, to ameliorate the technic measures, to enrich the xervice breeds ; besides, it can also drive us to adjust the economica l structure, optimize the station of resource, transform the manage mechanism, all of these will provide a wider space for the local stockjobbers after entering the wto, the main develop trends of local stockjobbers are express at : invest - banking operations will become more important, the broking competition will be more fury, the property management will become the rising point of new profits of us

    雖然按對等原則,我國證券業也可以進入其他締約國金融市場並享受該國資本的同等待遇,但與境外券商相比,境內券商無論是在資產規模、資金實力、管理機制、經營效,還是人才素質上,都無法與之抗衡。加入wto后,證券市場終將全面開放,國外證券公司在熟悉中國證券市場的操作后,將對國內券商的業務構成嚴重的威脅,以往國內券商發展業務的許多手段都將很快失靈,從而對券商的經營思路和發展戰略產生深刻的影響。然而,加入wto也使我國證券業獲得了多新的發展機遇:將使國內券商的生存發展空間進一步拓展到國際資本市場的大舞臺;將從外部促使中國證券業向著市場化、規范化和多功能化的國際證券業發展趨勢快推進,從而使證券業發展的制度環境得以改善;將促使我國券商新管理體制,提高管理水平,改進和創新技術手段、業務方式和服務品種,提升競爭層次;此外,加入wto還將推動我國的經濟結構調整、資源優化配置和企業經營機制轉,為券商開拓業務和進行各種創新活動提供了了廣闊的空間。
  6. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加和減的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效高; ( 4 )由於沒有機械向部分定子的結構簡單了。
  7. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值模擬,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞為優化目標的r認城演算法,提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的鏈路權重函數使得演算法具有優的性能,使網路具有低的連接阻塞
  8. With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt , though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment

    隨著頻控制傳動技術的發展,對頻傳動系統的要求越來越高,尤其是對採用快的igbt半導體現代變頻技術,盡管脈沖頻高或斷時間僅毫微秒內,但它們會對周圍環境產生電磁場。
  9. Vehicles must not exceed the average local speed limit and must stop in a deserted area or along the roadside under surveillance every two hours to rest, and change drivers every three hours

    一除不得違反道路行車外,行車一至二小時,應停車于曠野路旁休息,並施行警戒,行車四小時以上,應停車駕駛人。
  10. 4. based on energy equivalence and power equivalence method separately, the additional damping ratio formula of nonlinear viscous damper is derived and it ' s suggested power equivalence method is more suitable for nonlinear viscous damper. then the transforming equality between actual and spectra velocity of structure is derived, based on which, the additional damping ratio equation is revised

    4 、分別採用能量等效方法和功等效方法,推導了非線性粘滯阻尼器的附加阻尼比公式,指出功等效法適合於非線性阻尼器;推導了結構的實際度和譜度之間的轉公式,基於該轉公式修正了功等效方法下的附加阻尼比計算公式。
  11. Any time, anywhere, on anything ? on an ongoing basis. this means youll earn air miles three times faster. whats more, from february 1, 2004, the air mile conversion rate is lowered from 12. 8 points to just 12 points for 1 air mile subject to an administrative fee

    言之,您將可以3倍度憑積分兌飛行里數,早日現實夢想假期而重要的是,由2004年2月1日起,每1飛行里數之兌,將由12 . 8運通積分調低至12分須繳付手續費
  12. A mutirate transmission protocol is proposed, which is based on the csma and implemented rate information exchange, duration setting, nav update and calculating

    該協議基於碰撞檢測的載波偵聽多址協議,實現了信息交、預約時長設置和網路分配矢量的新和計算。
  13. To extand the length of lower feed roller. to offer you more stable feeding, low breakdown and easy to repair. the machine speed don ‘ ‘ t disturb the stitch length

    加長下滾輪長度,使送布穩定,降低故障容易,不因度快慢產生大小針。
  14. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉高的比較器晶元將輸入的被測信號轉為fpga晶元能夠識別的方波信號,能極大提高測量頻的范圍;採用d / a轉晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  15. Fiber optic gyro ( fog ) inertial system provides angular velocity and acceleration measurement of measurement body along three axes, based on the attitude matrix refreshed by outputs angular velocity to transform the acceleration from the body frame to the earth frame, finally through acceleration integral we can get the position of the measurement body in the space. fog is popular in the navigation field for many advantages, such as wide dynamic range, high resolution and all solid components

    該測量方法利用捷聯式光纖陀螺輸出的角度和加度信息,測出運載體沿三個方向的加度分量;再利用光纖陀螺輸出的角信號,不斷新測量體的姿態轉矩陣,將加度分量用轉矩陣到地理坐標系;最後經過計算機對轉后的加度信號積分運算分別可得到運載體在三維空間中的位置。
  16. Jinque co. has developed neo - generation reliable frame - structure ups, which is high frequency and on - line intelligent and whose height is 19 inchs. the product adopts cpu process, so it has excellent ability to calculating and accurately test every control point to guarantee reliability of quality. at the same time, due to the design of double - change power, the voltage and frequency are stable ; the product deletes all kinds of interrupted frequency and becomes power of sine wave to provide vital equipment with better power environment

    金雀公司根據網路系統的電源要求,開發出新一代高可靠的19英寸機架式高頻在線智能型gr系列ups ,採用cpu處理器,極強的運算能力,精確迅地檢測ups各控制點,由於採用雙變電源設計,供負載使用的電源電壓頻穩定,濾除雜讀的純凈正弦波電源,為重要的設備提供佳的電源環境。
  17. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心等故障為研究對象,通過對電機振動和轉的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷接近人工智慧化;最後,本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。
  18. Or, to put it another way, a galaxy with a given recession velocity will be farther away than expected ? and hence fainter ? if the universe is accelerating [ see bottom illustration on opposite page ]

    句話說,若宇宙是在加膨脹,那麼具有某一給定遠離星系的位置,便會比預期中遠,因而顯晦黯(請見右頁圖) 。
  19. Stamping - die, which belongs to short period and much variety products, is the important machining equipment for modern industrial products. the speedup of industrial products update has put forward high request to the designing quality and efficiency of stamping die, so it is inevitable trend to adopt cad technology in designing stamping die according to its different characteristic in different application fields

    沖裁模是現代工業產品成形的重要設備,屬于小批量、多品種產品。隨著產品代的度加快,對沖裁模的設計質量和效提出了高的要求。因此,針對各領域的沖裁模應用的不同特點,採用cad技術進行沖裁模的輔助設計是必然的趨勢。
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