调查法中的横向调查是指研究者在同一时间或空间对属于 范畴内的不同对象的发展、变化和特征进行的调查研究。
同一性质
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/397020.html
上一篇:What Could Possibly Go Wrong: Genetically-Modified Mosquitoes As carriers for diseases such as malaria, dengue fever and yellow fever, mosquitoes are the deadliest creatures on the planet, responsible for millions of human deaths every year
What Could Possibly Go Wrong: Genetically-Modified Mosquitoes As carriers for diseases such as malaria, dengue fever and yellow fever, mosquitoes are the deadliest creatures on the planet, responsible for millions of human deaths every year
下一篇:甲为了使乙溺死而将乙推入井中,但井中没有水,乙摔死在井中( )