The use of the solid propellant has significantly reduced the launch preparation time.
固体推进剂的使用已经重要地减少发射准备时间。
The new equipment and technologies have dramatically increased the reliability of satellite launches and greatly shortened the time for launch preparation.
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.
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。
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