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- isosceles quadrilateral 等腰四边形
- He tried to prove that the triangle was isosceles. 他想证明那个三角形是等腰的。
- The base angles of an isosceles triangle are equal. 等腰三角形的两底角相等。
- A quadrilateral having no parallel sides. 没有平行边的四边形
- A quadrilateral having two parallel sides. 梯形一个有两条平行边的四边形
- A kite is a quadrilateral with one line of symmetry. 风筝是个有一条对称线的四边形。
- A trapezoid is a quadrilateral with two parallel sides. 梯形是具有两平行边的四边形。
- Phase-Compensation Design of Isosceles Blazed Grating[J]. 引用该论文 谌廷政;吕海宝;曹聚亮;漆新民.
- A light triangular or quadrilateral sail set over a gaff. 斜桁中帆下缘张在斜桁上的三角形或四边形轻帆
- Like Picture 1, a triangle with two same sides is called an isosceles triangle. 象(2)一样,有三条边相等的三角形叫做等边三角形。又叫正三角形。它是一种特殊的三角形。
- A new mesh auto-generation algorithm of arbitrary quadrilateral is presented. 在继承已有研究成果的基础上,发展一种任意不规则区域全自动四边形网格划分方法。
- Eight-nodded curvilinear quadrilateral isoparametric shell element is used both in the FEM and in the BEM. 在有限元方法和边界元法中均采用了八结点曲面四边形等参单元。
- The program incorrectly classifies this triangle as a scalene triangle instead of classifying it as an isosceles triangle. 程序错误的把这个等腰三角形划分成了不等边三角形.
- A quadrilateral or triangular sail set from the after part of the mainmast on a fore-and-aft rigged vessel. 主帆在船头船尾都装有帆的帆船上装在桅后部的呈四角形或三角形的帆
- After chart : Grand Central and Olympic Park and the Beijing CBD and the composition of an almost isosceles triangle. 后图显示:大环和奥林匹克公园以及北京CBD又构成一个近乎等腰的三角形。
- Huang Yanghe scenic areas with high Hang Falls, Melaleuca rock, Shicheng isosceles triangle as the main landscape. 黄洋河景区以高坑瀑布、千层岩、石城等腰三角形为主要景观。
- Four incident beams were arranged to be an isosceles triangle with a right angle and focused by a single front lens. 四束入射光布置成等腰直角三角形,用一个前透镜聚焦。这种光学布置光能利用率高,并能适用于近壁处流速测量。
- Conclusions In general, endometrial cavity is mostly isosceles triangle or equilateral triangle. 结论普通人群宫腔形态以形态规则的等腰三角宫腔和等边三角宫腔为主。
- Study on laser beam combination by means of isosceles triangle phase grating[J]. 引用该论文 王景全;罗铂靓;张志友;方亮;杜惊雷.
- An isosceles triangle has two equal sides and the two angles opposite those sides are equal. 相交线和交角:两条相交线,对角相等,两个邻角相加为180度。