basically they are flat, no spikes, no close correlations with time.

basically they are flat, no spikes, no close correlations with time.

所有跟贴·加跟贴·新语丝读书论坛

送交者: cornbug 于 2015-03-12, 23:47:36:

回答: 这个数据显示2006年死亡率最低2008年不低2009年变低由 conner 于 2015-03-12, 23:04:33:

I read it as increasing. - conner (62 bytes) 2015-03-13, 12:54:12 (774498)