natural experiment
自然科学
natural science【科技】;nature science【科技】;
暂无补充释义。
相关词条
crude drugs; natural drugs
liquified natural gas
natural pharmacology【药】
and nasal type natural
damped natural frequency【物】
natural oscillation
natural stone
natural science【科技】;nature science【科技】;
暂无补充释义。
natural experiment
crude drugs; natural drugs
liquified natural gas
natural pharmacology【药】
and nasal type natural
damped natural frequency【物】
natural oscillation
natural stone