| 单词 | 算子 |
| 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〔NOR〕A logical operator that consists of a logical OR followed by a logical NOT and returns a true value only if both operands are false.或非：由逻辑非紧跟逻辑或之后构成的逻辑运算符，仅当算子均为假时才返回真价 |
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