英语词汇“scientific standard”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	scientific standard
释义	scientific standard 基本例句科学标准 For many years, thescientific standardof length was a metal bar kept in a temperature controlled vault near Paris.多年来，长度的科学标准曾是一根金属棒，这根金属棒保存在巴黎附近的有温度调节的地下室里。
随便看	self-discharging body self-discharging bucket self discharging bulk carrier self-discharging bulk carrier self discharging car self-discharging car self-discharging centrifugal self-discharging craft self-discharging dredger self-discharging lorry self-discharging percolator self-discharging purifier self-discharging sand dredger self discharging ship self-discharging ship self discharging system self-discharging system self-discharging trailer self-discharging truck self-discharging truck/tipper/dumper Self-discharging vehicle self-discharging waggon selfdischarging wagon self discharging wagon self-discharging wagon