Thanks

送交者: 梅子于 2009-07-22, 01:48:54:

回答: 肯定是你感觉错了由 Yush 于 2009-07-22, 01:17:11:

"In October 1995, the original Foucault Pendulum was reinstalled in the Pantheon, using the original lead-coated brass ball."

所用材料有多种说法 - Yush (637 bytes) 2009-07-22, 02:11:43 (347284)
- 对,它看上去也是金色的.16.8cm,俺也没多老花嘛 (无内容) - 梅子 (0 bytes) 2009-07-22, 02:15:42 (347285)
  - 关键是你忽视了立方关系， - Yush (135 bytes) 2009-07-22, 02:24:17 (347286)
    - 没忘但估计不足 (无内容) - 梅子 (0 bytes) 2009-07-22, 02:49:13 (347288)
      - 另外就是"金子做的,可能吗?" (无内容) - 梅子 (0 bytes) 2009-07-22, 02:52:41 (347289)