- 双 two; twin; both; dual
- 光阑 flare stop; shutter; diaphra ...
- 法 law
- 光阑 [光学] flare stop; shutter; diaphragm; stop; blind; light diaphragm; optical stop; orifice
- 双光灯 twin light lamp
- 双光气 diphosgene; trichloromethyl chlorocarbonate
- 双光圈 twin iris
- 双光束 dualbeam; mode display diagnostic dual beam device; twin beam; twin-beam
- 双光栅 double grating
- 双光子 two-photon◇双光子激光器 two-photon laser; 双光子吸收 two-photon absorption; 双光子荧光法 two-photon fluorescence method
- 光阑,膜片 diaphragm
- 光阑斑 diaphragm-spot
- 光阑板 aperture plate
- 光阑缝 diaphragm slit
- 光阑孔 diaphragm opening; iris opening
- 光阑套 diaphragm mount
- 后光阑 back sop; rear diaphragm
- 前光阑 front diaphragm
- 束光阑 beam diaphragm
- 外光阑 external diaphragm
- 双光灯泡 two light lamp
- 双光点技术 double-spot technique
- 双光度计 dual photometer
- 双光激光器 twin laser
- 双光镜片 bifocal lenses
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