- 菱形的
- 菱形翼型
- 双面楔
- 双楔形的
- 凸齿
下载手机词典可随时随地查词查翻译
double wedge中文什么意思
百科释义
In geometry, a double wedge is the (closure of) the symmetric difference of two half-spaces whose boundaries are not parallel to each other. For instance, in the Cartesian plane, the union of the positive and negative quadrants forms a double wedge, and more generally in two dimensions a double wedge consists of the set of points within two vertical angles defined by a pair of lines..
详细百科解释