This means that you want multiple simulated users, running simultaneous instances of the same test, to each retrieve a unique test data record from a file.

这意味着您要成倍增加运行着相同测试的同步实例的模拟用户，对每个实例都要从一个文档中重新获取唯一的测试数据记录。

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The same is true for retrieving data; every time you retrieve data from the ORDER_ITEMS table, you also want to get the order information, so order table will be accessed too.

对于抓取数据也是一样；每当从order_items表抓取数据时，还需要获取订单信息，因此还要访问order表。

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According to Duke University grad student Justin Manweiler and assistant professor Romit Roy Choudhury, this phenomenon is due to gadgets constantly fighting to retrieve the same data.

ENGADGET: SleepWell forces WiFi to wait its turn, keeps gadgets well-rested (update)