与开发集成环境相比，系统测试环境更接近地反映了生产环境。
A system test environment mirrors the production environment more closely than does a development integration environment.
与开发集成环境相比，系统测试环境更接近地反映了生产环境，但是它仍然尽可能以最小的规模来这样做。
A system test environment mirrors the production environment more closely than does a development integration environment, but it still does so at the smallest possible scale.
这大幅度地降低了软件开发和系统集成的需求和周期。
This dramatically reduces the software development and systems integration requirements and cycle times.
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