在无人作业的时候，激光系统必须要集成安全系统。
To run unattended, a laser system must have integrated safety systems.
地震发生后，这座距离震中大约15公里的煤矿，迅速将200余名井下作业矿工全部撤离，无人员伤亡。
After the earthquake, the epicenter about 15 kilometers away from the mine, quickly operating more than 200 miners were underground to evacuate all without casualties.
无人化平台是指无需人员在现场直接控制而能在预设程序或人员远程操控下实施作业的系统平台。
Unmanned platform is a kind of system which can work under the preset programs or by remote operators, and with nobody operating in the work filed.
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