Constraints can be simple single values, or they can be a compound value or multiple types.

约束可以是简单的单值，也可以是复合值或多个类型。

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Instead of checking for a default compound value, you can also catch the access to an undefined variable. E.g.

不用再检查默认的复合值，您也可以捕获对未定义变量的访问。

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One useful trick is to set a value for the dotted stem, which then ACTS as a default value for compound names based on the stem.

一个有用的技巧是为带句点的词干赋值，这个值将成为基于这个词干的复合名字的默认值。

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First from high prices dissuading new buyers (as seen in Western jewelry demand since 2005) but more significantly from state interference in a market averaging 36% compound growth by value each year since 2001.

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Additionally, corporates in the area will also be affected negatively by the downgrades, this will tend to decrease value and compound price depression in the respective regions.

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According to him, Dr Afridi did get suspicious by late April 2011 that there might be a high-value target in the Abbottabad compound, but he still didn't know who it was.

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