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单词
FM radio altimeter
释义
FM radio altimeter
Encyclopedia
工学
无线电频率导航
释
FM radio altimeter
调频式无线电高度表
利用频率调制的无线电信号,通过测量发射信号和经地面反射信号间的差拍频率,获得飞行载体相对地面的垂直距离(即相对高度)的无线电频率测高设备。
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Helmholtz, Hermann Ludwig Ferdinand von
Helmholtz-Kelvin contraction
Helmholtz-Kelvin theory
helmholtz-kelvin time scale
Helmholtz-Ketteler dispersion formula
Helmholtz-Ketteler formula
Helmholtz-Lagrange theorem
Helmholtz layer
Helmholtz reciprocity theorem
Helmholtz representation
helmholtz resonance sound absorber
Helmholtz resonator
Helmholtz reversion theorem
Helmholtz's equation
Helmholtz's reciprocity theorem
Helmholtz theorem
Helmholtz theorems
Helmholtz time scale
Helmholtz’s vorticity-tube theorems
helminth
helminthiasis
Helms-Burton Act
Helmut Baierl
Helmut Lachenman
Helmut Moritz
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