This can be subdivided into four main sub-categories.
这种模式可以被分成四种主要的子模式。
In this paper, the technical requirement, the scheme, the cooling procedure and the main sub systems of the CGSE are introduced.
该文介绍此CGSE的技术要求、总体方案、冷却过程和主要子系统。
The system concept, main sub systems, parameters and capacity of China′s new LM-1D(CZ-1D) small launch vehicle are also introduced.
同时介绍中国新的长征一号丁(CZ-1D)小型运载火箭的总体方案、主要系统、参数及运载能力。
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