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船舶无线电导航
释义
船舶无线电导航
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marine radio navigation
船舶无线电导航
利用无线电波测定船位和引导船舶沿预定航线航行的技术。又称无线电航海。根据无线电波的传播特性,测量地面,包括外层空间的导航台发射的无线电波参数,如频率、振幅、传播时间或相位,求得船舶相对于导航台的几何参数,如角度、距离、距离差或距离和,从而建立船位线,实现船舶定位和导航。
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i-motif折叠DNA
Imouraren Uranium deposit
IMP
impact
Impact and Explosion Effects Rock and Soil
impact area
impact area of rock mass movement
impact assessment for fishery environment
impact avalanche and transit time diode
impact basin
impact biomechanics
impact broadening
impact center
impact/collision biomechanics
impact compaction vibrator
impact crater
impact crusher
impact device for overwinding
impact dynamics
impacted
impacted cerumen
impact energy theory
impact excitation
impact factor
impact factor of liability insurance
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