two-dimensional space

Two members of Endeavour's crew will suit up for a space walk

“奋进”号的两名宇航员将穿上太空服进行太空行走。

Two elections were held within the space of a year.

在一年的时间之内举行了两次选举。

This space rocket carries two satellites.

这枚宇宙火箭搭载了两颗卫星.

Two members of Endeavour's crew will suit up for a space walk.

“奋进”号的两名宇航员将穿上太空服进行太空行走。

Leave a space of two weeks between appointments.

每次约见要间隔两个星期。

Vectors in the two-dimensional space.

二 维 空间之向量.

A method of representing a conic in three-dimensional space is proposed, and the concept of the coordinates of the conies in two-dimensional and three-dimensional space is defined, then the definition of the optical flow of a conic is given.

提出了一种空间二次曲线的表示方法，建立了空间二次曲线和平面二次曲线的坐标概念，给出了一种基于二次曲线的光流定义。