vertical visibilityvery low frequency electromagnetical receiver垂直: perpendicular; vertical; squ ...能见度: visibility; conspicurity; se ...能见度: visibility; conspicurity; seeing 能见度变坏 obstruction to vision; 能见度低 poor visibility; 能见度极差 zero-zero; 能见度极好 [航空] ceiling and visibility unlimited (cavu); 地面能见度 ground visibility; 能见度表 visibility meter; 能见度 (测定)计 visibility meter; sightmeter 可见度；能见度: visibility白天能见度: daylight visibility下载手机词典可随时随地查词查翻译
