The plain firm structure, the careful reasonable design, cause entire machine to need the working space to reduce, operation nimble simple.
质朴坚固的构造、细致合理的设计，使全机所需作业空间缩小，操作灵活简便。
The space environment factors, which are necessary for the design, test and operation of space vehicle, are developed.
提出了在航天器设计、飞行试验与运行过程中，必须考虑可能带来影响的空间环境条件因素。
The external power supply simplifies maintenance in the event of a power supply failure and its compact design saves space and ensures silent operation.
简化了外部电源供应故障维修事件中的权力和紧凑的设计节省了空间，并确保安静运行。
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