negation operator

常见例句

双语例句

• The unary - (minus) operator yields the negation of its numeric argument.
  一元运算符-（减）对其数值型操作数取负。
• In Syntax 2, the - operator is used as the unary negation operator to indicate the negative value of an expression.
  在语法 2 中， - 运算符用作一元求反运算符，指示表达式的负值。
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