制蝶记

Remembering a Failed Butterfly Specimen Making Experience.

（内蒙古篇）赤峰：红山淬火玉龙铸，风沙磨刃文明兴

(Inner Mongolia Chapter) Chifeng: Wind and Sand are Always There, but Civilization Never Fades.

浅评《雷霆特工队*》：乌合之众

A Brief Review of ``Thunderbolts*’’: The Crowd.

小波变换(Wavelet Transform)

Wavelet Transform.

博物记：忍冬与金银忍冬

Natural Record: Honeysuckle.

使用快速傅里叶变换(FFT)加速卷积运算

Using Fast Fourier Transform (FFT) to Speed Up Convolution Operations.