波的傳播速度 的英文怎麼說

中文拼音 [dezhuàn]
波的傳播速度 英文
velocity of wave propagation
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 4次方是 The fourth power of 2 is direction
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : 播名詞(姓氏) a surname
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 傳播 : 1 (廣泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 2 [物理學] propag...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. According to phenomena observed during total solar eclipse, it can be pointed out that the velocity of gravitational field wave is equal to the velocity of light in vacuo

    摘要據日全食時現象能夠得出:在真空中,引力波的傳播速度和光波的傳播速度相等。
  2. The phase velocity basically tells you how fast a pure sine wave ( with a single frequency ) moves

    可以告訴我們一個純正弦波的傳播速度
  3. The integral determination of rayleigh wave velocity

    積分確定
  4. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對影響比較大,飽和巖樣高於不飽和巖樣;人工預制裂紋對聲影響不大;單軸壓縮條件下,聲隨應變增加逐漸降低;在同一溫( 160 )下,隨保溫時間增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段略有升高,當溫達到60時,巖樣達到峰值,之後隨著溫繼續升高其逐漸下降;隨溫變化具有一定尺寸效應。
  5. By comparing with the velocity in normal person ' s shinbone, osteoporosis can be diagnosed conveniently

    與定量超聲在正常脛骨中相比較,可以為骨質疏鬆癥提供便捷診斷手段。
  6. The propagation velocity of ultrasound in patient ' s shinbone can be achieved by figuring out the time span between emergent wave and echo wave

    根據相關公式,只需計算出超聲發射信號和回信號時間差,即可獲得定量超聲在受試者脛骨皮質骨中
  7. There is no finite velocity of propagation, and we speak of a standing wave.

    沒有有限,因而我們稱之為駐
  8. At the same time, the relationship between the sound speed traveling through the concrete and the compressive strength of concrete are analyzed, and then * relationship equations are obtained

    接著,測試了混凝土宏觀力學強,同時對混凝土超聲檢測值和抗壓強測試值進行回歸分析,給出它們之間關系方程式。
  9. Generally, tidal bore is wave alignment moving upstream estuary, and its surface will break when the wave alignment is strong, which leads to water roll tracing the source. the velocity, which is between small - disturbed wave velocities before tidal bore happens and the one after tidal bore happens, increases with the ratio of tidal bore height to the water depth in wave front

    涌潮一般是向河口上游推進列,強大時,表面破碎,進而發展成溯源推進水滾,其隨涌潮高前水深比值增加,大小介於涌潮前後小擾動之間。
  10. Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires

    分析結果表明,接觸導線線質、張力和剛以及列車運行和抬升力是影響導線疲勞可靠性主要因素。
  11. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在:學生對力和運動關系、重力和平衡、作用力與反作用力存在一些誤解;對直流電路,不同年齡學生不同程地存在電流消耗、碰撞電流、恆定電流源等觀念,而且對電學概念理解缺乏宏觀與微觀聯系;學生在機械疊加上存在嚴重困難,對于機械學生不能區分初始條件和媒質特性,並錯誤地將動力學某些觀念與機械進行類比。
  12. The system could measure certain distance with the reflected wave on condition in which the speed of transmitting wave is fixed

    該系統以空氣中超聲波的傳播速度為確定條件,利用反射超聲測量待測距離。
  13. Any homogeneous viscoelastic medium subjected to one - dimensional tension and compression can be characterized in terms of the phase velocity c ( w ) and the attenuation coefficient deduce the complex modulus and the other equivalent viscoelastic functions

    一維縱向壓縮在同質粘彈性介質中時,材料粘彈性特性主要通過縱向波的傳播速度c ( w )和衰減系數a ( w )兩項來定義。
  14. Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed

    再利用彈性力學中變分原理,導出了同時計及粘性和橫向慣性效應時彈性細桿幾何非線性動方程,用特徵線法得到它特徵線和特徵線上相容關系,分析了粘性耗散和幾何彌散效應對波的傳播速度影響。
  15. According to fiberglass - reinforced composite material, the propagation modes of lamb wave before and after damage ' s generation is analyzed. ellipse technique is applied to determine damage location. three time delay estimation methods are compared

    針對復合材料板,分析了lamb在結構損傷前後;採用了橢圓技術來確定損傷位置;比較了三種不同時延估計方法損傷定位效果。
  16. Take the breakage of the pipe joints caused by seismic wave propagation as main damage mode ; the velocity of seismic wave propagation along the pipelines, soil - pipe interaction, and the correlation between the damage of pipe units are discussed

    綜合分析了地下管道地震破壞特徵和反應機理,提出以管道在地震作用下接頭損壞作為主要破壞模式;探討了地震沿管道,管-土相互作用,管單元失效相關性等問題。
  17. Vibration propagates in rail with the form of wave, its spread speed is normally a constant value, that is to say, the product of wavelength and frequency of the vibration wave is a constant

    振動以形式向遠處,振動在鋼軌中是恆定,即頻率和乘積是一個定值。
  18. And those waves have to travel at exactly the speed of light, which was too suspicious to be a coincidence

    而且這些波的傳播速度正是光,這並不是巧合
  19. Expressions are first established for c ( w ) and a ( w ) in terms of the fourier transforms of the wave shapes after two distances of travel. this is the general solution of the problem

    首先在對兩個距離不同進行傅立葉變換后,建立波的傳播速度c ( w )和材料衰減系數a ( w )兩個項表達式,得出問題一般結論。
  20. The principle of the ultrasonic method applied to measure elastic coefficient is by measuring the velocity of ultrasonic wave propagation in the solid material to obtain the elastic module, shear modulus and poisson ratio

    摘要彈性系數超聲檢測,即藉助固體彈性常數與超聲固有關系,通過測量縱及橫在固體中來獲取材料彈性模量、剪切模量及泊松比。
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