音響速度 的英文怎麼說

中文拼音 [yīnxiǎngsùdù]
音響速度 英文
sonic velocity
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 音響 : sound; acoustics; audio; [德國] klang; phon-; phono-; -phone
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc

    其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化，所以對釹鐵硼磁鐵，其表面通常需作電鍍處理，如鍍鋅、鎳、銀、金等，也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。
  2. The symphony is subjected to variation in harmony, rhythm, meter, and tempo, dynamics, register and instrumental color.

    這部交響樂在和聲、節奏、節拍、速度、力度、音區和樂器色彩上有所變化。
  3. The symphony is subjected to variation in harmony, rhythm, meter, and tempo dynamics, register, and instrumental color.

    這部交響樂在和聲、節奏、節拍、速度、力度、音區和樂器色彩上有所變化。
  4. A softer beard : a softer brush if intentionally allowed to remain from shave to shave in its agglutinated lather : a softer skin if unexpectedly encountering female acquaintances in remote places at incustomary hours : quiet reflections upon the course of the day : a cleaner sensation when awaking after a fresher sleep since matutinal noises, premonitions and perturbations, a clattered milkcan, a postman s double knock, a paper read, reread while lathering, relathering the same spot, a shock, a shoot, with thought of aught he sought though fraught with nought might cause a faster rate of shaving and a nick on which incision plaster with precision cut and humected and applied adhered which was to be done

    因為一到早晨就有種種噪音，心裏又懸念不安，牛奶罐咣當咣當響，郵遞員連敲了兩遍門。讀了份報紙，一邊重讀一邊塗肥皂液，在同一個地方又塗上肥皂液把一些微不足道的事想成了不起。於是受一次沖擊，挨一個打擊，就加快了剃刀的速度，割了個口子，這時就鉸下一塊不大不小的橡皮膏，潤濕后貼上去。
  5. The legal protection to technology measures ( tm ), which derived from u. s. case in 1988, is one of the core problems for copyright law that must resolve in 21 century. because of wipo copyright treaty and wipo performances and phonograms treaty passed in 1996, the copyright protection of tm increasingly becomes the one of national legal system

    技術措施的法律保護是當代版權制度必須解決的三大核心問題之一，它肇始於1988年美國的一個案例， 1995年美國提出的立法模式盡管未獲通過，隨後由於1996年wipo版權公約和錄音錄象品公約的影響，技術措施的版權保護迅速進入各國的立法體系。
  6. The structure of the network collaborative design is put forward. the theory of the synchronal application sharing, the technique of multi - media exchanges, the technique of instant communication, the technique of whiteboard and the technique of the management of the network collaborative design are inquired. facing some problem which exsit in the current research, such as, the method of the synchronal application sharing, how to increase the speed of the respondence of the application sharing and how to deal with the video and audio data in the multi - media exchanges, some preferable solutions are put forward

    本文綜述了網路化協同設計技術的國內外研究現狀，從研究網路化協同設計系統的體系結構入手，分析討論了網路化協同設計系統中的同步協同應用共享的原理和實現方法、多媒體交流技術、即時通訊技術、共享白板技術和協同設計系統的管理技術等網路化協同設計技術中的關鍵技術，並針對目前這些關鍵技術的研究中存在的一些問題， （如同步協同共享中應用共享的實現方法，如何提高應用共享的響應速度，多媒體交流中的視頻和音頻數據的處理，協同設計系統的管理等）提出了一些相對較優的解決方案。
  7. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了比較，說明了優劣；結合直升機的結構分析了旋翼的空氣動力特性，論述了直升機旋翼產生拉力的滑流理論和渦流理論，結合渦流理論論述了直升機旋翼流場誘導速度的計算方法，在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  8. Often appear when elevator pass person, clip person, rough layer, strong tip, crouch driver of bottom, elevator or maintenance technician not to have mount guard card, driver to often take off hillock, expire without acceptance label or certificate of approval inside car, elevator has unusual noise or sound, unusual vibration or shake, there is unusually anxious burnt taste inside car, too fast or elevator rate is too slow, maintenance is not seasonable, wait without communication or warning decice inside elevator car, all can undertake quality or safety are complained

    當電梯經常出現關人、夾人、不平層、沖頂、蹲底、電梯司機或維修人員無上崗證、司機經常脫崗，轎廂內無檢驗合格證或合格證過期，電梯有異常噪音或聲響，異常振動或抖動，轎廂內有異常焦糊味，電梯速度過快或過慢，維修保養不及時，電梯轎廂內無通訊或報警裝置等，均可進行質量或安全投訴。
  9. The symphony is subjected to variation in harmony, rhythm, meter, and tempo, dynamics register, and instrumental color.

    這部交響樂在和聲、節奏、節拍、速度、力度、音區和樂器色彩上有所變化。
  10. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  11. With high temperature and high pressure in nozzle of wind tunnel, the effect of variable specific heat on nozzle design must be considered

    本文針對超音速、高超音速噴管內馬赫數、溫度變化劇烈的特點，研究了比熱容變化對設計噴管型面產生的影響。
  12. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  13. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上，與顫振運動方程相耦合，分別對機翼和全機流固耦合現象中顫振問題進行了研究，準確求解跨音速顫振臨界速度，分析機翼和全機的從亞音速到超音速范圍的顫振規律，並研究分析了機翼飛行迎角變化對顫振速度的影響。
  14. Based on traditional dtw speech recognition and through relaxing extreme, limiting route ' s slope and improving some routes, the system can recognize and respond quickly especially when applied in small vocabulary speech recognition and speaker - dependent recognition

    在傳統的dtw語音識別的基礎上，通過放寬端點、對路徑進行斜率限制和改進路徑限制等方法，使系統能夠快速的識別響應，尤其是對于小詞匯量和特定人識別，可以有效地提高響應速度和識別率。
  15. But nasa engineers do not know enough about how the two bits of material on discovery could affect thermal and aerodynamic forces as the vehicle plunges at 22 times the speed of sound through the atmosphere on re - entry

    不過，美國宇航局的工程師們還不能確定，當「發現」號航天飛機以22倍于音速的速度再次經過地球大氣層時，機身上的這兩塊材料會在熱量和空氣動力方面產生怎樣的影響。
  16. Vario - an electronic instrument that displays the altitude + the rate of climb / sink. a vario produes variable audio sounds to indicate whether the pilot is going up or down

    升降速率表能夠顯示飛行傘所在高度，爬升或沈降速率變化（上升率或下降率）的電子儀器產品，並使用不同電子音響聲音及頻率，辨別飛行中是在爬升或是下降情況。
  17. The endpoint detection which influences the speed and results of speech signals processing directly is a important step for speech signal processing

    摘要端點檢測是語音信號處理過程中非常重要的一步，它的準確性直接影響到語音信號處理的速度和結果。
  18. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。
  19. At the same time this paper calculates the effect of train velocity on noise propagation, when mach number is 0. 1, sound velocity less effects on noise level ; when mach number is 0. 4, the difference value is about 2db whether to consider the sound velocity. so when the train velocity is not very high, the effect of sound velocity may not be considered

    本文同時計算了列車運行速度對噪聲傳播的影響，當馬赫數為0 . 1時，聲音的傳播速度對聲級的影響是很小的，當馬赫數為0 . 4時，考慮聲速與不考慮聲速影響的最大值的差值大約為2db左右，因此在列車速度不是很高的情況下可以不考慮聲速的影響。
  20. Because temperature and wind greatly influence the spread of sound in the air, they produce interesting effects similar to the optical phenomenon of mirage. through analysis of the sonic signal, we can therefore estimate the atmospheric conditions such as the temperature and or the wind distribution aloft

    由於風和溫度都對聲音的傳播速度有很大影響，也會產生類似光學上的海市蜃樓那樣的現象，因此，透過分析聲音訊號，亦可估算當時大氣的性質如溫度的高低或風力的分佈。
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