范围名称可以包括范围运算符(冒号)、交集运算符(空格)或并集运算符(逗号)。
It can include the range operator (a colon), the intersection operator (a space), or the union operator (a comma).
讨论布尔运算的并集、交集、差集运算原理在电脑美术设计中的应用。
The theories of Boolean operations union, intersection and subtraction operation in the com puter arts design are discussed.
应用推荐