送交者: eddie 于 2008-06-20, 13:46:15:

回答: 把馅的体积放大到无穷大，这个妙！ 由 JFF 于 2008-06-20, 13:36:39:

• I dont think there's any mentioning about the curvature - Enlighten (51 bytes) 2008-06-20, 13:49:00 (237387)
  • the infinity is about the mass, thus the heat capacity, of the core. (无内容) - Enlighten (0 bytes) 2008-06-20, 13:50:24 (237388)

加跟贴