But if you use multiple aggregations with the same grouping keys, or multiple counting functions that count the same column, it will not significantly increase the execution time of the rule.
但是,如果使用具有相同分组关键字的多个聚合,或者对相同列进行计数的计数函数,其不会显著增加规则的执行时间。
The only way to pass scope keys across multiple components is through method calls.
跨多个组件传递范围键的惟一方法是通过方法调用。
Instead, it encrypts the key that is used to encrypt your hard drive — that's how the software allows multiple keys.
相反,它加密的是那个用来加密你硬盘驱动器的密钥。这就是为何该软件允许有多个密钥。
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