Quite often, this form of simple mapping works fine, but sometimes, because of differences in data types or formatting or the needs of some application logic, you don't want direct data exchange.
这种简单的映射常常很好用，但是在某些时候，由于数据类型、格式或某个应用程序逻辑的不同，您不希望直接进行数据交换。
The factors include such things as the amount of data being retrieved, the amount of formatting that needs to be done to the report and keeping communications sockets active.
这些因素包括检索的数据量、报告所需的格式化量，以及保持通信套接字处于激活状态。
The factors include such things as the amount of data being retrieved, the amount of formatting that needs to be done to the report and keeping communications sockets active.
这些因素包括检索的数据量、报告所需的格式化量，以及保持通信套接字处于激活状态。
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