送交者: timliang 于 2010-07-23, 16:46:27:

回答: do you know三弯矩阵? 由 blobfish 于 2010-07-23, 16:39:25:

• it's a vector othogonal to the cuvature (无内容) - blobfish (0 bytes) 2010-07-23, 16:50:36 (466763)
  • 微分几何？ (无内容) - JFF (0 bytes) 2010-07-23, 16:55:11 (466769)
  • orthogonal (无内容) - blobfish (0 bytes) 2010-07-23, 16:51:19 (466765)

加跟贴