Practice shows that the analysis matches experience very well and is instructive both in design of adjusting device and alignment for aspheric mirror testing.

实践证明，计算和分析结果对指导非球面检测中的调整以及调整装置的设计都有很大实际意义。

youdao

Obviously, the testing environment should mirror the production environment as closely as possible, since any differences (any at all) introduce uncertainty.

显然，测试环境应尽可能地与生产环境相似，因为任何差异(任何方面的差异)将引入不确定性。

youdao

If you practice iterative, incremental development, your testing should mirror development.

如果您实行了迭代的增量开发，您的测试应该反应出开发的状况。

youdao