Dickerson says the market for UAV Reconnaissance Systems, including air vehicles, ground control equipment, and payloads, is expected to be worth ＄13.6 billion through 2014.
迪克尔森所说的无人机监视系统包括无人机、地面控制设备以及载荷，从现在起，到2014年，该市场的总价价值将达到136亿美元。
Buoyancy method with less equipment and simple control, used in ground demonstration of space operation is presented.
介绍一种设备少、控制简单的在地面进行空间操作过程模拟的演示方法——水浮法。
The paper presents the composition, functions, technical performance and research of the solid rocket ramjet engine ground test equipment and measurement control system in detail.
介绍了固体火箭冲压发动机地面实验装置及测控系统组成、功能、技术指标和可以开展的研究工作。
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