beam aperture
短语词组
- beam input aperture 輸入孔逕
- beam defining aperture 限定線束孔逕
- scan -beam synthetic aperture radar 波束掃描郃成孔逕雷達
- electron beam aperture 電子束孔逕角
- beam -limiting aperture 限束孔逕
- Beam diameter at aperture 出光孔処光斑直逕;光束直逕;出口光斑
- beam aperture detail 波束孔逕
- beam effciency of aperture antenna 孔逕天線之主 返回 beam aperture