这些可以用各种各样的方法复制和存储，声音，手势，储存在大脑里或是纸张上，并不存在一个清晰的转录者/运载者的区分。
These can be copied and stored by voice, by gesture, in brains, or on paper with no clear replicator/vehicle distinction.
为了研究重复使用运载器末端能量管理段的下滑轨迹线设计，给出了基于高度和动压的质点动力学的设计方法。
To research the trajectory design method for terminal area energy management(TAEM) of reusable launch vehicle(RLV), the method basing on nonlinear equations of motion is designed.
介绍了某型号运载火箭二级燃料箱后底顶盖成形方法改进及工艺试验过程。
The paper introduces the shaping method improvement and technological trial course of bottom cap of certain model of carrier rocket's fuel tank.
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