固体推进剂的使用已经重要地减少发射准备时间。
The use of the solid propellant has significantly reduced the launch preparation time.
新的技术和设备极大的提高了卫星发射的可靠性，也大大的缩短了发射准备时间。
The new equipment and technologies have dramatically increased the reliability of satellite launches and greatly shortened the time for launch preparation.
它很小，也很紧凑，而且只需要很短的准备时间就可以进入太空，而不是像航天飞机发射那样准备数月之久。
It was to be small and compact, but provide easy access to space on a moment's notice, instead of the long months to prepare each shuttle launch.
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