thanks! does not seem to be a great speaker.

thanks! does not seem to be a great speaker.

所有跟贴·加跟贴·新语丝读书论坛

送交者: 短江学者于 2011-12-15, 17:57:52:

回答: Terrence Tao video The Cosmic Distance Ladder 由 lightman 于 2011-12-15, 17:34:15:

a little comfort for our ordinary people :) (无内容) - lightman (0 bytes) 2011-12-16, 03:43:58 (636328)