用来分隔或组织计算机程序元素或数据元素的字符或字符串。例如括号、空格符、算术运算符、if（如果）、“BEGIN＂等。
A string of one or more characters used to separate or organize elements of computer programs or data; for example, parentheses, blank character, arithmetic operator, if, "BEGIN".
布尔代数中的一种运算，它同时对两个二进制数字进行如下操作：如果一个数或二个数为1，则结果为1；如果二个数均为零，则结果为零。它的逻辑算符是OR运算符。
An operation performed in Boolean algebra on two binary digits simultaneously in a way that the result is one if either one or both digits are a one, or zero if both digits are zero. The logic operator is the OR operator.
不严格地说，一种数学或逻辑运算符。
Loosely, a mathematical or logic operator.
