v. pretesting
misc. before tests
要将这些问题的影响降至最小，重要的是要事前计划和事后测试。
To minimize the impact of these issues, it is important to invest in pre-migration planning and post-migration testing.
如果事前收集了测试数据，这就确保了QA生命周期不会因为在特定测试周期中数据可能不可用而受到干扰。
If the test data is gathered before hand it ensures the QA life cycle will be not be disrupted with the possibility that data is unavailable for certain test cycles.
根据室内分布系统设计流程分别对事前准备、方案规划、现场勘查、模拟测试、方案编制进行了详细研究。
According to the design flow of indoor distribution system, the paper makes a deeply study of prior preparation, program planning, site survey, simulation tests.
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