榧 fei 三声
这种落叶乔木的存在感很强。
今天有人去捡白果吗?
树干上的苔藓给人留下一种“陈旧”的印象。
本文介绍了笔者建立个人网站的初衷。
Stokes’ Theorem, in all of its many manifestations, comes down to equating the average of a function on the boundary of some geometric object with the average of its derivative (in a suitable sense) on the interior of the object. — Chapter 5, All the Math you Missed…