对于比较运算，必须正好提供两个操作数。
For a comparison operation, exactly two operands must be supplied.
PRIOR运算符可放在比较运算符的左边或右边。
The PRIOR operator can be located left or right of the comparative operator.
比较这两题，它们分别应用了哪些运算定律？
对运算结果进行了分析并给出了与串行程序相比较的并行加速比。
The result is analyzed and the actual paralleling speed ratio is given.
规则运算式可以做为与所要搜寻之文字进行比较的字元模式。
The regular expression serves as character pattern to compare with the text being searched.
规则运算式可以做为与所要搜寻之文字进行比较的字元模式。
The regular expression serves as character pattern to compare with the text being searched.
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