振動弦 的英文怎麼說
中文拼音 [zhèndòngxián]
振動弦
英文
vibrating string-
Whereas a classical violin string will vibrate no matter what the properties of space and time are, a quantum string is more finicky
古典的提琴弦不管時空的性質如何都可振動，但量子弦可就挑剔多了。The string is in a magnetic field.
振動弦處于磁場之中。If a vibrating string is lightly touched at its midpoint, its pitch goes up an octave.
如果在一根振動弦的中部輕輕一觸，它就發出高八度的音。The string is said to be vibrating in its first overtone mode.
據說這根弦是在它的第一泛音調式振動。When you play a violin, the violin string vibrates.
當你拉小提琴時，琴弦就振動。The large zoo of elementary particles, each with its own characteristic properties, reflects the many possible vibration patterns of a string
在基本粒子的龐大家族中，每種粒子皆有它自己的特質，這反映在一條弦許多可能的振動模式上。This paper presents the displacement solution to mine elevator viscoelastic vibrating equations and the kinetic tension calculation method, discusses kinetic tension characteristics under rectangular, ladder shaped, sinusoidal and parabolic acceleration curves, provides ways to limit or even avoid lifting rope viscoelastic vibration
摘要給出了礦井提升機粘彈性振動方程的位移解及動張力的計算方法，研究了採用矩形、梯形、正弦形、拋物線形加速度時銅線繩的動張力特性，給出了限制和消除提升鋼絲繩粘彈性振動的方法。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Transverse resonance analysis of axially moving strings
軸向運動弦線橫向共振分析Non - sinusoidal oscillation has the characters that the upward time of the continuous casting mold is longer than the downward time. it can reduce the friction between the mold wall and the strand surface, and prevents the strand from leaking and cracking, it can also improve the surface quality of slabs. it is the main development of continuous casting mold in the future
其中非正弦振動具有上升運動時間比下降運動時間長的特點，能減小結晶器與坯殼之間的摩擦力，防止坯殼的拉漏和拉裂，改善鋼坯的表面質量，是今後連鑄結晶器振動發展的主要方向。As an example using sine wave, the effect of vibration amplitude and frequency and time on bit error rate is researched
以振動譜中典型的正弦諧波為例，推導了振幅、頻率和時間對誤碼率的影響。Elements of electrical and optical connection - test methods - sinusoidal vibrations with passage of current for crimped terminal lugs
電氣和光學連接元件.試驗方法.壓接終端接線片電流通過時的正弦振動The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration. it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included. this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory
2 .考慮垂度和抗彎剛度對高階自振頻率的影響，探討了索相鄰頻率之差，發現索的高階頻差就是弦振動理論的基頻，利用這一特性，分析了頻差法測索力的精度和適用范圍。The cable tension plays an important role in the construction control and long - term monitoring of cable - supported structures. the engineering implementation of a vibration - based cable tension evaluation is mostly carried out based on the taut string theory where the cable tension is estimated from measured natural frequencies by use of a simple explicit formula
振動法測索力廣泛應用於索結構的施工控制和健康監測，其原理是基於弦振動理論：索拉力與自振頻率之間存在簡單的關系，因此可以由實測的自振頻率計算得到索力。A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small
考查了scanlan的線性假定：如果自激力與模型運動的位移、速度成線性關系，模型振動是某一頻率的正弦函數，那麼相應的自激力也應是這一頻率的正弦函數，高次諧波的分量應極小。Basic environmental testing procedures ; part 2 : tests ; test z bfc : combined dry heat vibration sinusoidal tests for both heat - dissipating and non - heat - dissipating specimens
基本環境試驗程序.第2部分:試驗.第51節:試驗z bfc :散熱和非散熱試驗樣品的乾熱振動正弦綜合試驗Aerospace series - elements of electrical and optical connection - test methods - part 428 : sinusoidal vibrations with passage of current for crimped terminal lugs
航空航天系列.光電連接件.試驗方法.第428部分:夾具終端電連接片通電流正弦振動The outputs of tests on the thin plate under different inputs have been investigated for testifying the system. different solutions have been compared according to the frequency - spectrum characters and structure modal parameters. it is indicated that the solutions in this paper are consistent with the solution of the fea methods
以薄鋼板為實例，探討了不同激勵條件下，包括正弦穩態激勵、正弦慢掃描、單次錘擊和隨機錘擊激勵，薄鋼板振動系統的響應情況，以頻譜特性和模態參數為參考，將各種方法的求解結果作了比較，結果表明：本系統得出的結果與有限元解具有一致性。The oscillation of continuous casting mold is an important factor that has effect on casting production. the oscillation of continuous casting mold has experienced four kinds : synchronisiru negative slide >. sinusoidal and non - sinusoidal oscillation
連鑄結晶器的振動是影響連鑄生產的重要因素，它主要分為四種方式：同步式振動、負滑動式振動，正弦振動和非正弦振動。Packaging - complete, filled transport packages and unit loads - sinusoidal vibration tests using a variable frequency
包裝.完全滿裝運輸包裝和單元裝載.用變頻進行正弦波振動試驗分享友人