多项选择题

几何投影包括( )三种。 A. 圆柱投影 B. 圆锥投影 C. 方位投影 D. 等积投影

你可能感兴趣的试题

单项选择题

3. After a lot of work，the artist thought that he had paid the government__________.
A、less tax than he should have
B、more tax than he should have
C、as much tax as usual
D、just enough tax 无解析

单项选择题

两个串相等必有串长度相等且。

A．串的各位置字符任意
B．串中各位置字符均对应相等
C．两个串含有相同的字符
D．两个所含字符任意