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无线电导航技术
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无线电导航技术
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工学
无线电导航
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radio navigation technique
无线电导航技术
通过测定无线电信号的振幅、频率和相位等参数及其变化,提供位置、速度、时间及方向等信息的导航定位技术。广泛用于飞机、船舶和车辆等运载体的导航定位。
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Shanghai Film
Shanghai Film Academy of Shanghai University
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Shanghai Film Production Association
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Shanghai Film Update
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