Full scale testing of transaction systems with significant simulated historical data, like a year, is basic common sense unless you like production system emergencies.

用大量的仿真历史数据，比如一年的数据，对事务系统进行足尺测试是一个基本常识，除非您想要产品系统出现紧急情况。

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This live data capability can help hone your testing efforts before checking in code into a CM system, for example.

例如，这种实时数据功能有助于在将代码签入CM系统前更好地进行测试。

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Data integrity testing was also done during some of the test scenarios to ensure a subset of system testing was being performed.

数据完整性测试也在一些测试场景中进行，从而确保系统测试的子集的执行。

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Regular system and staff testing and preparation procedures are followed including system testing for effectiveness and data accuracy.

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Nevertheless, it announced then that it would suspend its data caps and start testing a new system that would allow heavy users to pay for more data.

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Just testing the implementation of a new data center system can take six to nine months, she says.

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