运行异步作业 Asynchronous Task
串行异步通信规程 PROTOCOL
并行异步计算机 [计] parallel asynchronous computer
串行异步通信 serial asynchronous communication
可进行异步轧制 Snake Rolling
被动并行异步方式 Passive Parallel Asynchronous
异步串行接口 ASI ; UART ; Asynchronous Serial Interface
异步运行 asynchronous operation
异步串行口 UART ; Asynchronous serial port
异步串行通信 Asynchronous serial communication ; USART
此外，如果远程查询都是执行大约相同一段时间之后返回第一行数据，那么异步带来的好处就可以实现最大化。
In addition, if the remote operations take approximately the same amount of time to return the first row, then the benefit achieved in enabling asynchrony is maximized.
通过创建简单的实用程序类很容易获得异步远程接口的实例(清单8中的第7 - 13行)。
A simple utility class is created to easily get the instance of the async remote interface (lines 7-13 in Listing 8).
因此，能从异步中获得最多好处的联邦查询是那些其远程查询比较复杂，在返回第一行数据之前需要花费较多时间的查询。
Thus, the federated queries which benefit the most from asynchrony are those whose remote queries are complex and and for which it is time consuming to return the first row.
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