弦向的 的英文怎麼說

中文拼音 [xiánxiàngde]
弦向的 英文
chordwise
  • 的 : 4次方是 The fourth power of 2 is direction
  1. He would never suffer his ministers to speak about any alliance.

    他還不許大臣們向他提續弦的事。
  2. Through the use of the multivalued directed angle and its related notions, it is given the sufficient and necessary conditions when the three chordal circles based on the three sides of a triangle as their chords share the same point

    摘要利用多值有向角及其相關概念，給出了以三角形每邊為弦各作一圓所得三圓共點的充要條件，推廣了已有結論。
  3. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    （ 5 ）綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料，研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  4. In order to imitate tune tail fin better, a flexible fin only in chordwise is considered. results shows that flexibility can increase the propulsive efficiency and cause small decreases in the average thrust compared with a rigid caudal fin with similar motion. next, a comparison between the rectangle fin and the lunate fin is given

    為了使數學模型更貼近生物模型，本文又將尾鰭處理為只考慮弦向變形而不考慮展向變形的柔性體，兩者對比的結果表明，柔性翼使得平均推力減小，但是，對具有相同推力的柔性翼比剛性翼具有更高的效率。
  5. The results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion

    結果表明：火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段；經過阻燃浸漬處理和塗刷防火塗料后，木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ，內部溫度上升速度大幅度下降；白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ；未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ；木材內部的溫度變化沿燃燒推進方向不同而不同。
  6. When the signal came ， chubby was off like a rocket before i could react ， and it was all i could do to hold on

    信號一發出，我還沒來得及反應，查比如弩箭離弦向前奔去，我所作的只有握緊韁繩，任它奔馳。
  7. To improve the efficiency of solution, the solution method to determine the cavitation range of blade is carried out for each chordwise string, the interaction between strings is included by spanwise iterative procedure

    為了提高求解效率，本文在確定螺旋槳槳葉上空泡范圍時採用的求解方法是針對每一個弦向「條帶」進行的， 「條帶」之間的相互影響通過沿槳葉展向的迭代考慮。
  8. Two approaches to evaluating the performance of this similarity measure and the comparison with standard cosine vector similarity measure are also described

    進一步給出了對基於本體的相似性測度方法進行效果評價的2種策略以及該方法與經典餘弦向量測度方法的比較結果。
  9. To improve document clustering, a document similarity measure based on cosine vector and keywords frequency in documents is proposed, but also with an input ontology

    為了改進文本聚類的效果，提出了將領域知識本體和文本關鍵詞詞頻相結合的基於餘弦向量的文本相似性測度方法。
  10. A method that combines category - based and keyword - based concepts for a better information retrieval system is introduced. to improve document clustering, a document similarity measure based on cosine vector and keywords frequency in documents is proposed, but also with an input ontology. the ontology is domain specific and includes a list of keywords organized by degree of importance to the categories of the ontology, and by means of semantic knowledge, the ontology can improve the effects of document similarity measure and feedback of information retrieval systems. two approaches to evaluating the performance of this similarity measure and the comparison with standard cosine vector similarity measure are also described

    介紹了一種綜合各層級分類類目和對應關鍵詞來構造概念體系並用於改進信息檢索系統效果的方法.為了改進文本聚類的效果，提出了將領域知識本體和文本關鍵詞詞頻相結合的基於餘弦向量的文本相似性測度方法.該本體面向特定領域，將關鍵詞以不同權值對應于各分類類目，通過其語義知識來改進文本相似性測度以及信息檢索系統的效果.進一步給出了對基於本體的相似性測度方法進行效果評價的2種策略以及該方法與經典餘弦向量測度方法的比較結果
  11. The three - dimensional flow - resistor network for radial and tangential gas permeability of softwoods

    針葉樹材徑向和弦向氣體滲透的三維流阻網路
  12. The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry

    剖面採用母型剖面方法來設計，進而可確定槳葉弦向環量分佈，然後由升力面理論設計三維槳葉的幾何形狀。
  13. Based on the complex modal analysis of axially moving strings, its transverse resonance is investigated, and the corresponding response is calculated

    摘要基於軸向運動弦線的橫向振動復模態分析，研究軸向運動弦線的共振，並計算共振時的振響應。
  14. One major problem in this system is the occurrence of large transverse belt vibrations, which result from the time - dependent crankshaft - driven belt tension. such vibrations are termed as parametric vibrations

    研究粘彈性傳動帶系統和軸向運動弦線的動力學建模、橫向非線性振動及其控制問題具有著重要的理論意義和實際應用價值。
  15. This dissertation chiefly studied the theory of aoa detection using polarization. polarization coding aoa detection was put forward after compared with some other ways to detect laser aoa. the method based on law of cosines of radiation

    本論文分析和比較了激光束定向的幾種方法，基於輻射通量的餘弦定理，根據偏振光特性，提出了偏振編碼測向的方法。
  16. It has excellent estimation precision, pairs automatically the x - axis direction cosines with the y - axis direction cosines and suffers no doa ambiguity

    具有較好的估計精度，能實現方向餘弦的自動配對，不造成波達方向的模糊性。
  17. The theoretical deduction in chapter 3 shows that the shape of load distribution used in the arithmetic is a decisive fact of the error margin size, the more the adoptive shape looks like the actual case, the smaller the error margin will be, therefore the tilt parabola shape can instead of the actual shape of load distribution in the permissible error margin when we predicting constant loading noise caused by the tail rotor of helicopter

    在第三章中通過理論推導和計算比較發現，在預測直升機尾槳定常載荷噪聲時，其誤差大小取決于演算法中槳葉弦向載荷分佈的數學描述與實際弦向載荷分佈的吻合程度，而選取一種與實際弦向載荷分佈較為相似的斜拋物線形來預測噪聲所導致的誤差是很小的。
  18. Through analyzing the choice of the personal behavior dynamically and balancedly, including psychological direction, ability direction and professional direction, that is when these three directions are completely consistent, people ’ s planned ability desire and the realisation proportion of the job will achieve the greatest. this is a process of unceasingly enhancing the determined resources to meet the rate needs ? enhancing the cosine value of the angles with two directions, thus is also named the theory of cosine equilibrium

    通過對個人行為方向性選擇的心理方向、能力方向和職業方向進行動態平衡分析，即在行為人的心理方向、能力方向和職業方向三個方向達到完全一致時人們既定的能力願意而且能夠用於工作的比例就達到最大，這個動態過程是一個不斷提高既定資源用來滿足需要的比例? ?即提高兩個方向夾角的餘弦值的過程，因此把這個動態平衡的選擇過程稱作餘弦均衡。
  19. Bifurcation in transverse vibration of axially accelerating viscoelastic strings

    軸向變速運動粘彈性弦線的橫向振動分岔
  20. Little erjie ' s dream is the direct reflection of shijiazhuang local culture and aesthetic trend

    絲弦《小二姐做夢》是石家莊地方文化和審美傾向的直接反映。
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