grey scale vision system灰度: grey scale; gradation视觉: vision; visual sense; sense ...系统: system视觉系统: optical system; system, vision; vision systems; visual system基底视觉系统: basal optic system下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:灰度视觉系统，即可在微信中查询翻译
