英语词汇“mechanical placebo”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	mechanical placebo
释义	mechanical placebo An impressive looking device or scheme, that in fact, does nothing. It is commonly believed that pedestrian controlled traffic signals and signs warning that police monitor speeders by aircraft, are blatant examples. > Why are you pushing the "close" door on this elevator? It's just a mechanical placebo.
随便看	multiple spark discharge multiple spark gap multiple spark photography multiple-spark system multiple spark system multiple sparse pattern multiple-species multiple species program multiple spectrum interpretoscope multiple speech output system multiplespeed multiple speed multiple-speed floating action multiple-speed floating controller multiple-speed floating control system multiple-speed floation controller multiple speed gearbox multiple-speed gearbox multiple-speed governor multiple speed motor multiple-speed motor multiple spike and slow wave complex multiple spindle multiplespindle multiple-spindle automatic bar machine

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