还要再剔除有基础病的老年人?
又是个前提就不靠谱的,后面就不用看了。
还要再剔除有基础病的老年人?
又是个前提就不靠谱的,后面就不用看了。
•
便于与其它类型死亡相比较。测试数等于从总人口选出的样本数
-fuz-
♂
(222 bytes)
()
04/05/2020 postreply
02:07:13
•
我觉得是不同概念的死亡率。
-阿明.-
♀
(812 bytes)
()
04/05/2020 postreply
02:25:15
•
to fuz: I am glad that you got it
-淡淡芳香-
♀
(2058 bytes)
()
04/05/2020 postreply
10:18:24
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy