radar scan的用法和样例：
例句
- Commanders can still order grunts to the front and supply them with ammo drops, radar pings, UAV reconnaissance and the occasional artillery strike.
指挥员还可以命令传达到前线，并供应他们补给品，雷达扫描，无人机侦察和不定期炮兵火力打击。 - Speedier on-the-spot calculations were needed, ideally ones that could be triggered from measurements of planes in flight made by the newly invented radar scanner.
于是就需要更快速的即时演算，最理想的状态，就是火炮可以根据新发明的雷达扫描装置对飞行中的飞机的测量数据来开展行动。
