词汇	retroactive revision
释义	retroactive revision 追溯性订正
随便看	electronic coding machine electronic coding tube electronic coin electronic cokputer electronic collection electronic collection security electronic collimation electronic collimation line electronic collision machine electronic colo electronic colonoscope electronic colonoscope examination electronic colonoscopy electronic color combiner electronic color corrector electronic color sampler electronic color scanner electronic color separation electronic color-sharing machine electronic colour analyser electronic colour combiner electronic colo u r combiner electronic colour correction electronic colour-correction scanner electronic colour corrector