伪算术操作
pseudo arithmetic operation
非浮点算术符号
nonfloating arithmetic sign
平均计算操作
average calculating operation
全域生存空间运算子：全局范围解析操作符
global scope resolution operator
算术算子
operator-indicator lights
arithmetic operator
体、面积算符作用的统一表述
consistent description of actions of area and volume operators