V2EX operand

Operand

释义 Definition

operand(操作数/运算对象):在算术或逻辑运算中,被运算符(operator)作用的数值、变量或表达式。例如在 3 + 5 中,35 都是 operands。计算机指令里也常用来指“指令所处理的数据”。

发音 Pronunciation

/prnd/
/prnd/

例句 Examples

The operands in 8 × 7 are 8 and 7.
8 × 7 里的操作数是 8 和 7。

In the expression (a + b) / c, the entire (a + b) part can be treated as an operand of the division operator.
在表达式 (a + b) / c 中,整个 (a + b) 部分可以被看作除法运算符的一个操作数。

词源 Etymology

来自拉丁语词根,和 operate(操作、运算) 同源;后缀 -and 有“应被……的事物/对象”之意,因此 operand 字面上可理解为“被运算的对象”。

相关词 Related Words

文学与典籍 Literary Works

  • The Art of Computer Programming(Donald E. Knuth)
  • Structure and Interpretation of Computer Programs(Harold Abelson & Gerald Jay Sussman)
  • Concrete Mathematics(Graham, Knuth & Patashnik)
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