rules of operator precedence 运算符优先级规则
If an application supports more than one dot file, the program typically applies precedence rules to favor one file over another.
如果一个应用程序支持多个点文件,则该程序通常应用于优先规则,来表明一个文件比另一个文件优先。
When P8 creates a reservation object, the following precedence rules are used to determine which storage area is chosen for that reservation.
当P 8创建一个reservation对象时,使用以下优先规则确定为该reservation选择哪个存储区域。
This type of expression uses one pair of parentheses for each operator. Theparentheses dictate the order of operations; there is no ambiguity. There isalso no need to remember any precedence rules.
有一种书写表达式的方法叫做“完全括号”,这种表达式把每一个操作符都加了括号,表达完全精确,也不必记忆优先级规则。
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