查看会员资料
用 户 名:宣***
发送消息- Email:用户隐藏
- Icq/MSN:
- 电话号码:
- Homepage:
- 会员简介:
最新会员发布资源
threepoint
- 输入任意三个点的x,y,z三点坐标,根据三个不在同一条直线上的点,可以确定一个圆的原理,来确定圆的圆心-Enter any three points x, y, z coordinates of three points, not on the same basis of three points on a straight line, to determine the principles of a circle to determine the center of the circle