The shooting terms of the field wass gathered with temperature and air pressure sensors, wind direction and wind speed sensor, electronic compass and GPS receiver.
温度和气压传感器、风向风速仪、电子罗盘及GPS采集战场射击条件，激光观测仪与信息机结合采集目标信息。
As he reaches the crest of the peak, he unrolls his map, wipes off the lens of his compass, and sees two sets of numbers hanging in the air - wildly fluctuating - as he moves his finger over the map.
他到达了峰顶，打开地图，擦拭他罗盘的表面玻璃，然后看到两串数字悬在半空，在疯狂抖动，因为这时他的手指正在地图上移动。
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