visual detection图像信号: picture signal检测: check; detection; test; gaug ...图像信号检波器: picture demodulator光信号检测: optical signal detection弱信号检测: testing of feeble signals; weak signal detection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:图像信号检测，即可在微信中查询翻译
