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

词汇	echo checking
释义	echo checking 回波检验
随便看	Gray deal gray decision gray decision-making Gray decision multi-factor evaluation gray decision theory gray degeneration gray degree gray degree image gray-degree image gray degree of association gray degree of correlation grayden gray desert cotton field gray desert soil gray desert steppe soil Gray desulfurization process gray diarrhea of mink gray difference gray difference matrix gray difference theory gray diplomat gray dipper gray disaster prediction gray discrete large-scale systems graydon