Can these operators be nested in parenthesis and mixed with the other query language operators?
这些操作符会被嵌套在括号中并与其他的查询语言操作符混合在一起吗？
Each nested set of parentheses, counting from the left, incrementing at each left parenthesis is placed in the next special, numerical variable. For example.
每个嵌套的括号对，从左开始算起，每个左圆括号加一，放在下一个特殊的数字变量中。
Each nested set of parentheses, counting from the left, incrementing at each left parenthesis is placed in the next special, numerical variable. For example.
每个嵌套的括号对，从左开始算起，每个左圆括号加一，放在下一个特殊的数字变量中。
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