词汇	air-defence operations
释义	air-defence operations 防空作战
随便看	illumination hpotometer illumination image illumination in analyzing line drawings illumination indensity illumination index illumination influence parameters illumination in micrography illumination intensities illuminationintensity illumination intensity Illumination intensity at image plane illumination invariance illumination invariant illumination lamp illumination length illumination level illumination level calculation Illumination level in classroom illumination levels illumination light illumination, lighting illumination load illumination measurement illumination meter illumination meter, luxmeter