题目内容

求解七个绝对定向元素，至少需要列七个方程。一个平高控制点可列出三个方程，因此至少需要两个平高控制点和一个高程控制点，且三个点不能在一条直线上。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

The famous port number used for HTTP is.

The famous port number used for HTTPS is.

The famous port number used for DNS is.

The number of socket type of "____" is 1, that uses IPPROTO_TCP with protocol number 6.The number of socket type of "SOCK_DGRAM" is 2, that uses IPPROTO_UDP with protocol number____.