high-aperture beam
... high-beam assistant 远光灯辅助系统 high-aperture beam 大孔径光束 high-LET beam 高线性能量转换线束 ...
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实验中发现，经常使用的大孔径会聚光束的圆孔和圆屏衍射图样不同于一般的菲涅耳圆孔和圆屏衍射图样。
It is discorered that circular hole diffraction and circular disk diffraction pattern in large aperture convergent beam are different from those of general Fresnel diffraction.
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