随着卫星种类、结构形式的不断变化，卫星对包带装置提出了更高的要求。
With the gradual development of the satellitic sort and structure, the improvement of clamp band is needed. So it becomes more and more important to research its dynamic envelope simulation.
一种是当箱包拉开时会暴露放置便携式电脑装置的公文包，另一种是带可拆卸便携式电脑包的轮式手提包。
One is a briefcase in which the attached laptop holder is exposed when the case is unzipped. The other is a wheeled carry-on with a removable laptop case.
包带锁紧装置是世界上各主要运载火箭大都采用的星箭连接和分离机构。
Clamp band is the common joint separate equipment between the launch vehicle and the satellite in the international main launch vehicles.
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