Gretchen West is with the Association for Unmanned Vehicle Systems International, an industry trade group.
格雷琴·韦斯特任职于国际无人机系统协会，该协会为一个工业贸易组织。
List file systems in the volume group.
列出卷组中的文件系统。
Group communication is an important research field in distributed systems.
组通信是分布式系统的一个重要研究领域。
And these systems are taken GSP is not only a particular group.
而这些制度采取的都是普惠制，并非只针对某一群体。
And these systems are taken GSP is not only a particular group.
而这些制度采取的都是普惠制，并非只针对某一群体。
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