To make its case, RKK Energia took the unusual step - at a preliminary design stage - of ordering the construction of an experimental propulsion system.
为了证明自己的设计有道理，安吉亚太空公司走了非同寻常的一步：在初步设计阶段，定制建设了试验性的推进系统。
After the preliminary design and implementation, the hardware system checked by running test has basically achieved the intended purpose, which paved the way for the design of application software.
经过初步的设计和实现并通过初步的测试运行，该硬件系统基本上达到预期的设计目的，为应用软件设计做好铺垫。
The function of automatic formation of a complete system model and to accomplish preliminary calculation in growing conceptual design phase were put forward and realized.
提出并实现了在生长型概念结构设计阶段自动形成一个完整的系统模型并完成初步计算的功能。
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