One such example is when the pushed down query is a common sub-expression.
一个例子就是被下推的查询是一个公共子表达式。
Notice that you can use the context directly in a sub-expression, without necessarily making it part of another expression. The result is.
请注意，您可以在子表达式中直接使用上下文，而无须使之成为另一个表达式的一部分。
Grouping is indicated by parentheses: any sub-expression contained in parentheses is treated as if it were atomic for the purpose of further grouping or repetition.
由括号表示分组：括号中包含的任何子表达式都被看作是用于以后分组或循环的原子。
The character used to end a sub-expression declaration.
用于结束一个子表达式声明的字符。
The sub-expression count following this construct is that of whichever branch had the largest number of sub-expressions.
该结构之后的子表达式计数由具有最大子表达式数量的分支决定。
This construct is useful when you want to capture one of a number of alternative matches in a single sub-expression index.
当你想用单个子表达式索引捕获多个可选匹配之一的时候，可使用该结构。
In a query expression, it is sometimes useful to store the result of a sub-expression in order to use it in subsequent clauses.
在查询运算式中，若要将子运算式的结果用于后续子句，则储存子运算式的结果有时会十分有用。
A '$' character shall match the end of a line when used as the last character of an expression, or the last character of a sub-expression.
当'$'字符作为表达式或子表达式的最后一个字符时会匹配行的终止。
Find the match which has the longest match for the first sub-expression, along with any ties. If there is only one such match then return it.
在各种情况下，寻找匹配第一个子表达式最长的匹配。如果只有一个这样的匹配，就返回它。
As people age, adaptability, social and cultural level, and other aspects of the existence of differences between sub-healthy state of the complicated form of expression, there is no uniform standard.
由于人们在年龄、适应能力、社会文化层次等方面所存在的差异，亚健康状态的表现形式错综复杂，没有统一的标准。
The IDN, or a sub-tree of it, can be in the select expression of xsl:apply-templates, allowing the tree to be processed in the same manner as an XML input document.
IDN或其子树可以出现在xsl:apply-templates的select表达式中，允许按照与XML输入文档相同的方式处理。
For each choice listed on the dialog, the part of the regular expression that defines the sub-pattern is displayed in bold.
对于这个对话框中列出的每个选择，以粗体显示定义子模式的正则表达式部分。
At the same time, expression of PA0011 was found to increase over time in the presence of sub-inhibitory tetracycline and erythromycin concentration.
同时，低于抑制浓度的四环素和红霉素对PA0011基因的表达有明显的增强作用。
Such implicit expectations tend to shape the explicitly stated ones (just as our sub-conscious mind shapes our conscious expression).
这种隐含的期望易于形成明确的陈述（就像我们下意识的想法会形成有意识的表达）。
You can set the feature values of an annotation by assigning a sub-pattern of the regular expression rule-a match group-to the feature.
通过把正则表达式规则的子模式(匹配组)分配给特性，可以设置注解的特性值。
By factor analysis, the dimensions of sub-class questionnaire are:basic acts skills, complex acts skills, action expression and fine acts skills.
经因素分析，小班问卷的维度为：基本动作技能、复杂动作技能、动作表现力和精细动作技能；
The cultivars of this experiment have different expression under sub-optimal, critical low temperature and poor light.
供试品种对偏低温、临界低温和弱光的耐受性存在差异。
The cultivars of this experiment have different expression under sub-optimal, critical low temperature and poor light.
供试品种对偏低温、临界低温和弱光的耐受性存在差异。
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