The Akatsia-M system, which is operated by two specialists, uses a UAV with a cruising speed of 120 kmh, a flight endurance time of 11/2 hours and an onboard camera with a range of up to 15 km.
Akatsia-M系统是由两位专家操作，使用一架时速120公里的无人机，飞行耐力时间可达5.5小时，机载相机拍摄范围内可达15公里。
For example, a message like "The system will be unavailable between 12:01 a."m. and 1 a.m. Eastern time, June 24, 2010.
例如，这条消息可能是“系统将于东部时间2010年6月17日12：01 a .” m .至1：00 a . m .之间停用。
Experimental results show that the LDV system has an ability to acquire the real-time speech signal 25 m away through glass.
实验结果表明：该激光多普勒振动系统能够实时获取距离25米处振动玻璃上的音频信号；
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