... 人射角R entrance angle 观测角a observation angle 发光强度系数R coefficient of luminous intensity ...
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In terms of FFDP and velocity aberration compensation theory, a new method of using dihedral Angle offset for compensating velocity aberration in large observation range is put forward.
根据远场衍射模式和速差补偿理论，提出了一种在较大观测范围内二面角速差补偿方法。
Of studio lighting device is arranged in a large angle, tempered glass vacuum insulation, convenient for observation;
工作室内设有照明装置，大视角保温真空钢化玻璃，便于观察；
The radar cross section (RCS) of a target is dependent on frequency as well as observation angle.
目标的雷达散射截面（RCS）与照射频率和照射角有关。
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