| 释义 |
〔OR〕A logical operator that returns a true value if one or both operators are true.或:当一个或两个算子为真返回真值的逻辑运算符〔NOT〕A logical operator that returns a false value if the operand is true and a true value if the operand is false.非:当算子为真返回假值而当算子为假返回真值的逻辑运算符〔XOR〕A logical operator that returns a true value if one, but not both, of its operands is true. Also called exclusive OR 异或:当一个操作数为真(无须两个操作数均为真)时即返回真值的逻辑运算符 也作 exclusive OR |