弦弧 的英文怎麼說
中文拼音 [xiánhú]-
The most general color is red, yellow and white, decorative pattern has grain of bowstring grain, belt, big dot grain, curve grain and anise star grain
最普遍的顏色是紅色、黃色和白色,花紋有弦紋、帶紋、大圓點紋,弧線紋和八角星紋等。Approaching, disparate, at relaxed walking pace they crossed both the circus before george s church diametrically, the chord in any circle being less than the arc which it subtends
他們邁著悠閑的步子先後挨近了聖喬治教堂前的圓形廣場,然後逕直穿過去。說起來,任何一個圓,其弦都比弧要短。Based on the kinematical design criterion of equi - chord percent ratio and spatial rigid body guiding mechanism, three theoretical design methods of arc track, non - arc track, and helical track are proposed in this thesis, meanwhile, different design methods about prime flap and sub - flap driving mechanisms are completed. three cases of different three - gaps - fowler - flap tracks are designed
對后緣三縫富勒襟翼工作時的3個關鍵位置,按照「等弦長百分比」運動的設計準則和空間剛體引導機構的設計思路,提出了圓弧軌道、非圓弧軌道和螺旋線軌道等3種空間位置引導軌道的設計原理,並分別給出主襟翼和子襟翼驅動機構的不同設計方法。The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied
採用非線性有限元理論,結合牛頓荷載增量法和柱面弧長法的跟蹤技術,對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析;為了掌握各個參數對靜力穩定性的影響程度,進行了參數分析。It builds a relative coordinates based on the jumping - off point of circular interpolation as its origin, caculates the sine and cosine of the angle formed by x axis and the line which connects the origin and the centre of the circle, then gets the coordinates of the centre in the relative coordinates, and enduces a uniform fomula, which is easy to program in computer
摘要用圓弧插補起點作為相對坐標系原點,連接圓弧起點和圓心,求出該連接線和相對坐標x軸的夾角的正餘弦值,由此解出圓心在相對坐標系的坐標,並得到一個統一的計算公式,易於計算機編程實現。Arc to chord correction
弧至弦的校正Here, three methods are presented : shortening compensation, extending compensation and insertion compensation. this thesis also puts forward an improved dda arc interpolation algorithm, which decreases the radial deviation of the traditional algorithm without losing the original advantages
改進的dda圓弧插補演算法繼承了傳統dda圓弧插補演算法不含超越函數的優點,減少了傳統dda圓弧插補演算法的徑向誤差,實現了內外均差弦線插補。Arcsine in degrees or radians - this. bas module inlcudes functions that take a sine value as a parameter and return the corresponding angle in degrees or radians
這個模塊中的函數可以接受一個正弦值參數,返回對應的以角度和弧度表示的角。This. bas module inlcudes functions that take a sine value as a parameter and return the corresponding angle in degrees or radians
這個模塊中的函數可以接受一個正弦值參數,返回對應的以角度和弧度表示的角。分享友人