unary operation

常見例句

• In a unary operation in a mathematical system,one element is used to yield a single result.
  在數(shù)學系統(tǒng)中的一元運算里，一個元素往往只產生一個單一的結果。
• The requested metafile operation is not supported.
  不支持請求的圖元操作。
• The context in which an operator symbol is used always determines whether the symbol represents a unary or binary operator.
  對于這類操作符，需要根據(jù)該符號所處的上下文來確定它代表一元操作還是二元操作。
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