Generate the expression for the join predicate by applying the join operator to the expressions for the left and right attributes.
将联结操作符应用于左右属性的表达式，从而产生联结谓词的表达式。
The WHERE clause contains two expressions that are joined by the or operator, which means that if either expression evaluates as TRUE for a specific row, that row will be deleted.
where子句包含由OR操作符联结的两个表达式，这意味着对于特定行，如果任一表达式值为TRUE，则将删除该行。
Expressions must not end with an operator, function, comma, or opening parenthesis.
不可以用操作符、函数、逗号或开括号作为表达式结束符。
Expressions must not begin with an operator, comma, or closing parenthesis.
不可以用操作符、逗号或闭括号作为表达式的开始符。
With the Regular expression Lookup operator you can find the text sections that match the expressions contained in the selected rule files.
通过使用RegularExpressionlookup操作器，可以找到与所选规则文件中包含的表达式匹配的文本部分。
Operator precedence grammar is a powerful tool for handling arithmetic expressions.
算符优先文法是处理算术表达式的有力工具。
Expressions must have integral type and can include only integer constants, character constants, and the defined operator.
表达式必须有整数类型并且只能包括整数常量，字符常量，以及定义了的运算符。
In our arithmetic expressions we could have used inheritance to get from a unary to a binary operator node, but that would substantially violate the test.
在我们的四则运算表达式里面我们可以利用继承实行从一元到二元操作符的表示，但它实质上会干扰测试。
Remember that you may need to consider associativity of the operators in order to determine the answer in the case of expressions involving more than one operator.
记住，你可能需要考虑操作符的结合性，以便在表达式含有多个操作符的情况下确定答案。
Creating complex expressions such as the one in the preceding example requires a thorough understanding of the rules of operator precedence.
创建前面示例中这样的复杂表达式要求彻底理解运算符优先级的规则。
The, operator causes the expressions on either side of it to be executed in left-to-right order, and obtains the value of the expression on the right.
运算符使其两侧的表达式按从左到右的顺序执行，并获得右侧表达式的值。
Then the graph and the symbol expressions of the recoupling matrix used in action of volume operator on rescaled basis are obtained with the graph calculation method.
用重耦理论的图式计算法，推出了体积算符对基底作用的重耦矩阵的表式，并利用体积算符的本征值得到空间量子化的结果。
In this paper, we get the self-adjointness of the product operators generated by different two differential expressions by operator theory and matrix calculation.
此前对微分算子的积算子自伴的研究主要集中于由同一个对称微分算式生成的两个或多个微分算子积的自伴问题上，取得了一些成果。
In this paper, we get the self-adjointness of the product operators generated by different two differential expressions by operator theory and matrix calculation.
此前对微分算子的积算子自伴的研究主要集中于由同一个对称微分算式生成的两个或多个微分算子积的自伴问题上，取得了一些成果。
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