| 单词 | plane section |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cone〕The figure formed by a cone, bound or regarded as bound by its vertex and a plane section taken anywhere above or below the vertex.圆锥体：由或被认为是由其顶点确定的锥体和取自顶点以上或以下的横切平面组成的几何体美国传统〔ellipsoid〕A geometric surface, all of whose plane sections are either ellipses or circles.椭球，椭面：其所有切面都是椭圆或圆一种几何面美国传统〔meridian〕A plane section of a surface of revolution containing the axis of revolution.切平面：通过旋转轴回转面的部分平面美国传统〔tomography〕Any of several techniques for making detailed x-rays of a predetermined plane section of a solid object while blurring out the images of other planes.X线体层照相术：一种X线照相技术，能够照出某确定物体上事先规定好的某层部分，而不会照下其它部分的像美国传统 |
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