| 释义 |
expression atom 表达式元 A unit used to build expressions. An expression atom can consist of a single variable, literal, function, an expression atom preceded by a unary operator, or an expression in parentheses. 一种构成表达式的单位。一个表达式元可由单个变量、立即量、函数、一个前面有单 操作符的表达式元或一个在括弧中的表达式组成。 |