全色锐化(Panchromatic Sharpening)

Panchromatic Sharpening.

（日本篇）富士：五湖八海绘浮世，富士山下舞和风

(Japan Chapter) Fuji: No One Owns Mount Fuji Only by Fondness.

（日本篇）镰仓：镰仓幕府风云散，湘南江岛白浪翻

(Japan Chapter) Kamakura: Shogunate, Enoshima, and Slam Dunk.

（日本篇）东京：江户风华承古韵，东京霓虹映今辉

(Japan Chapter) Tokyo: A Trip to Tokyo Feels a Lifetime Away.

首乘国产大飞机C919

First Ride on C919.

欧拉路径(Euler Path)与de Bruijn图

Euler Path and de Bruijn Graph.