Four apexes of double trapezoids compose four phase or two phase systems .

2个梯形的4个顶点构成四相或两相系统。

The stars are the apexes of what wonderful triangles !

星星是何等神奇的三角形的尖顶！

People often choose the warm and sunny days to pick the three standard leaf apexes from the tea trees that the dew just air-dries .

人们总是挑选风和日丽的日子，从茶树上采摘露水刚刚风干的三片标准叶尖。

We should make a isosceles triangle out of a lace and bind two apexes to pencils , the third apex hangs freely .

我们要用带子做出一个三角形，把两个顶点绑在铅笔上，第三的顶点自由下垂。

The apexes of the triangle are generally accepted to be bermuda , miami , fla. , and san juan , puerto rico.

三角形的顶点公认为是百慕大群岛，迈阿密，佛罗里达和波多黎各的圣胡安。