近似三角形 的英文怎麼說

中文拼音 [jìnsìsānjiǎoxíng]
近似三角形 英文
subtriangular
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 三 : Ⅰ數詞1. （二加一后所得） three 2. （表示多數或多次） more than two; several; many Ⅱ名詞（姓氏） a surname
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  1. It was found that the simple triangular shape distribution would cause " two - peaked " energy distribution near the threshold energy, which must affect the group transfer matrix

    閾能處三角形能譜分佈的近似描述，導致產生了群散射矩陣的「雙峰」現象，而閾能處矩形能譜分佈使平均次級中子能量（
  2. When the energy distribution are represented by arbitrary tabulated function ( lf = 1 ), some approximate descriptions ( e. g. simple triangular shape or rectangular shape ) of the energy distribution are applied near the threshold for some nuclides

    一般近似的能譜形狀有三角形分佈（即用三個出射能點且線?線插值描述）和矩形分佈（即用兩個出射能點且矩形插值描述） 。
  3. The quantum dots are considered as pyramid shape approximately, therefore the dittraction of dots is considered as diffraction from triangle. the transverse period is obtained using the transform of fourier. the trustiness of this modal is showed through comparing with the result come from triple - axis diffraction formula and result of stm

    將量于點近似看成金字塔狀，從而量于點的衍射可以看成三角形衍射，利用三角型的傅立葉變換，求得量于點的橫向周訕，與三9m力射結果及盯m求得量于點的橫向周期一致，說明本模型的可靠性。
  4. Thermal contact resistance is calculated by fem. the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models

    本文採用有限單元法數值計算接觸熱阻，提出控制角為30的三角形模型具有較高的精度，給出接觸熱阻的近似計算公式，並分析了表面粗糙度對接觸熱阻的影響。
  5. Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively

    本文首先對兩類結構相似的具有下三角形矩陣函數控制增益的多變量非線性連續系統，基於一種修改的李亞普諾夫函數，並利用第一類模糊系統（即具有線性可調參數的模糊系統）的逼近能力，分別提出一種分散自適應模糊控制器設計的方案。
  6. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明，直徑為100 m的微氣泡能減小近壁面連續相的速度梯度；微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈；受粒子間相互作用的影響，存在一飽和濃度；減阻率隨噴氣量的增大而增大，直至飽和噴氣量，此後，增大噴氣量，壁面摩擦阻力變化不大；相同噴氣量下，來流速度越大，減阻率越低。
  7. Thirdly, it utilizes line tracking and douglas - peucker line - simplification algorithm to realize the raster - to - vector conversion. a triangulated irregular network ( tin ) is constructed based on vector data, and dem point - array data is computed by interpolating grid on tin

    第三，使用輪廓線跟蹤演算法和dpl多邊形近似方法實現等高線數據的矢量轉換;並基於等高線矢量數據建立不規則三角網，再內插格網生成dem點陣數據。
  8. Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided

    文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算
  9. To compare and analyze, the similar theoretical solution of limitless pulled board with a kind of triangle hole or a kind of square hole is derived using knowledge of complex function, and the analytical solution is gained

    為了對比和分析，文中利用復變函數理論對帶有一種三角形孔、一種正方形孔的無限大受拉板的近似理論解進行了推導，得出了解析解。
  10. The accomplishing method is that the attack angles of aerodynamic forces are made changing along transmission line so aerodynamic forces are made being approximate balance state by spiral winding plastic belt on transmission line

    實現的方法是在輸電線螺旋地纏繞橫截面為三角形的塑料帶，使氣動力的攻角沿輸電線的長度方向周期性地變化，使作用在輸電線上的氣動力近似地成為平衡力系。
  11. Compared with the ordinary optimization algorithm of calibration, this algorithm is simple, less computational and high accuracy. finally, the paper put forward the ranging method based on similar triangle principle. it gives two ranging models according cooperation object vertical in the optical axis or not vertical in the optical axis and does experiment

    最後，本文提出了一種基於相似三角形原理的測距方法，根據合作目標與攝像機主光軸垂直與不垂直兩種情況，給出了兩種測距模型，建立實驗系統並進行了實驗，通過近距離段與遠距離段的測距結果與誤差分析驗證了此方法的有效性，能夠準確的確定合作目標的位置，計算簡單，測量精度高，具有重要的理論意義和工程使用價值。
  12. By an imaginary uniform sampling on the original triangle mesh, our algorithm makes the 3d point set using in icp algorithm not only approximatively uniformly distribute in the measured object surface, but also possess of more information of the object surface than classical icp algorithm

    通過在三角形網格上按面積均勻分佈的假想抽樣，在沒有明顯增加計算復雜度的情況下，使得代入icp演算法的3d點集，不僅是近似均勻地分佈在物體表面上，而且更加充分地反映了被測物體的表面信息。
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