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无线电导航技术
释义
无线电导航技术
Encyclopedia
工学
无线电导航
释
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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occupational ergonomics
occupational exposure
occupational exposure limits
occupational exposure pollution
occupational eye disease
occupational guidance
occupational hair damage
occupational hazard
occupational hazard of high frequency electromagnetic field
occupational hazardous factor
occupational hazard pre-evaluation
occupational hazard risk classification
occupational hazards during the construction and operation in railways
occupational hazards of gamma rays
occupational hazards of ionizing radiation
occupational hazards of non-ionizing radiation
occupational health
occupational health and occupational medicine
Occupational Health and Safety Assessment Series 18000
occupational health examination
occupational health for all
occupational health management in construction project
occupational health monitoring on plateau railway
occupational health of female worker
occupational health prevention technology
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