DTH systems with high power of live satellite or communications satellite.
DTH系统中采用大功率的直播卫星或通讯卫星。
Courses of study include statistical analysis, systems theory, management theory, communications, and personnel management.
所要学习的课程有数据分析、系统理论、管理理论、交流技巧以及人际管理。
A list of equipment such as personal protective, testing, communications, rescue, and alarm systems, required.
设备如个人防护设备、气体监测、通讯设备、紧急救援和报警系统及其它要求的设备清单。
A list of equipment such as personal protective, testing, communications, rescue, and alarm systems, required.
设备如个人防护设备、气体监测、通讯设备、紧急救援和报警系统及其它要求的设备清单。
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