第一，制造可控性更强的可自我销毁的卫星，减少垃圾的产生。
One is to stop creating more junk by buildingbetter controlled self-destruction into satellites.
简要介绍了目前卫星姿控发动机的应用现状及发展趋势，提出了一种以光化学分解为基础的工作过程可控的固体姿控发动机新概念。
The status and tendency of attitude control motors for satellites is briefly described. A new concept solid propellant controllable motor for attitude control based on photochemistry is recommended.
卫星图片显示，这块位于南极洲西部的面积160平方英里的冰架不可控的崩裂始于2月28日。
Satellite images show the runaway disintegration of a 160-square-mile chunk in western Antarctica, which started Feb. 28.
卫星图片显示，这块位于南极洲西部的面积160平方英里的冰架不可控的崩裂始于2月28日。
Satellite images show the runaway disintegration of a 160-square-mile chunk in western Antarctica, which started Feb. 28.
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