Endogenous intervention, other source intervention and government intervention were adopted.Results In observed group, the average level of HW prevention knowledge rose from 36.55% to 98.79%.是什么意思_Endogenous intervention, other source intervention and government intervention were adopted.Results In observed group, the average level of HW prevention knowledge rose from 36.55% to 98.79%.在线翻译_英语_读音_用法_例句