Freedom isn't about a subculture; it's about the culture. It's not a microcosm; it's a cosm.

《自由》写的不是亚文化而是关于文化；不是微小世界而是大世界。

An improved nearest neighbor subtraction algorithm was presented and applied in the Computational Optical Section Microscopy (COSM).

本文针对计算光学切片中的最近邻算法提出了一种改进算法。