trapezoid的例句（trapezoid在句子中的用法）

• Various shapes of returns like triangular, semi - circular and trapezoid - shaped are available for cresting your own office. 极富创意的办公桌,有着不同形装如三角形 、 圆形、尺形及四边形,以创造您个人品位的办公室.
• The diagonals of a ( an ) isosceles [ trapezoid, trapezoid, parallelogram ] are congruent. 等腰 梯形的对角线等长.
• Three kinds of flight cross sections were researched including rectangular section, hackle section and trapezoid section. 本文讨论的螺纹断面形状为三种:矩形断面 、 锯齿形断面,梯形断面.
• In section configuration, the depressions are either triangle or reversed trapezoid - fenestra structure. 剖面形态上, 这些断陷不是三角形就是倒梯形,即所谓的“花窗结构”.