tangent 中文意思是什麼

音標 ['tændʒənt]
tangent 解釋
adj. 形容詞 1. 接觸的。
2. 【數學】切線的，相切的；正切的。
3. 離題的。
n. 名詞 【數學】切線；切面；正切（線）；正切尺，瞄準表尺；〈美口〉（鐵路的）直線區間。
tangent elevation 瞄準角。
a tangent scale [sight] 正切尺，瞄準表尺。
fly [go] off at [in, on, upon] a tangent （思想）忽然轉變；突然越出本題；突然改變話題[做法]。
fly off at a tangent into outside matters 突然離開本題說些不相干的題外話。

  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. Arrowheads on the lines indicate the direction in which the tangent is to be drawn.

    電力線上的箭頭表示所要畫的切線方向。
  3. Test method for determination of isothermal secant and tangent bulk modulus

    等溫正割和正切體積彈性模量測定方法
  4. Standard test method for determination of isothermal secant and tangent bulk modulus

    測定等溫正割和正切體積彈性模量的標準試驗方法
  5. The graph of a concave function is always below its tangent.

    一個凹函數的圖象總在它的切線的下方。
  6. Application of tangent offset method on the revision on cursive track

    切線支距法在曲線校正中的應用
  7. Construct the part of the tangent of the deltoid intercepted by the curve

    2三角星形線的兩條互相垂直的切線的交點在哪裡
  8. The tangent may be used to find the direction.

    這方向也可用正切求得。
  9. What sound accompanied the union of their tangent, the disunion of their respectively centrifugal and centripetal hands

    伴隨著他們那相接觸的手的結合，他們各自那離心的和向心的手的分離，傳來了什麼響聲？
  10. The word horizontal is applied only to the plane which is tangent to the ground-level equipotential surface.

    地平面這個詞則只表示與地面水準等位面相切的平面。
  11. Geoid tangent plane

    大地體切面
  12. Returns the hyperbolic tangent of the specified angle

    返回指定角度的雙曲正切值。
  13. Thirdly, from the idea of locally linear approximate, another tangent - plane algorithm is presented for the distance between the convex nurbs surfaces. the critical step is the construction of the support mapping by gjk and lc to search for nearest points, and emphases are laid on dealing with isotropic cases and choosing initial iterated points. it is also proved that no isotropism during iteration would take place if initial iterated points are positive points

    切平面法是運用gjk和lc構造支撐映射的原理而設計的一個搜索近點對的迭代法，著重給出了迷向情況的處理和初始迭代點的選取方法，並證明了只要將初始迭代點取為陽點，就不會出現迷向情況。
  14. The following is main research work : 1. geometry characters ( such as tangent plane and normal plane etc. ) and differential coefficient characters are theoretically analyzed in detail, then the intersection differential coefficient system model for trace is constructed

    在理論上，系統地分析了交線的幾何特徵（如切平面和法平面等）和微分特徵（如曲面的一階基本齊式等） ，建立了交線的微分系統跟蹤模型，從而為今後進一步研究求交問題提供了一個可行的途徑。
  15. The method that measuring horzontal component of the earth magnetic field with digital quantometer is introdnces, the computational formule are given, systematic error are discussed, the advantages of the this method with tangent galvanometer measuring horizontal component of the earth magnetic field are simply expounded

    摘要介紹了用數字沖擊電流計測量地磁場水平分量的方法，給出了計算公式，對系統誤差進行了討論，簡述了該方法與用正切電流計法測量地磁場水平分量的優點。
  16. For we naturally get a circle; for we obtain two tangent circles.

    對我們當然得到一個圓；對得到兩個相切的圓。
  17. Segmented tangent modulus of nonlinear soil model

    土體非線性模型的分段切線模量研究
  18. The improvement on the techniques of breast tangent fields

    乳腺切線野定位技術的改進
  19. Cubic uniformly tangent non - uniform corner cutting curves

    三次一致切矢非均勻割角曲線
  20. We may draw curves which have everywhere one of these directions for a tangent, these curves are called stress trajectory.

    我們可以畫一簇曲線，這簇曲線處處都有一個主方向作為切線，這些曲線叫做應力軌線。
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