总体中部分数值与全部数值的比率称为
A.结构相对指标
B.比值相对指标
C.动态相对指标
D.强度相对指标
正确答案是A
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/75542.html
上一篇:设f(x)在[-α,α]上连续,则∫-ααsinx[f(x)+f(-x)]dx
下一篇:Using Music to Change Your MoodEveryone knows that listening to music when feeling bad can provide a relief. Music can also reduce stress, make depression more bearable and help you relax.All the benefits of music can only be