Why does "Plain" refer to land machine?

He once held the posts of Pingyuan Internal History, Jijiujiuer, and Writer. , the old name is "Lu Pingyuan".

Lu Ji (261-303), courtesy name Shiheng, was a writer and calligrapher in the Western Jin Dynasty. "Eight Kings Rebellion", the three tribes were defeated. He once held the posts of Pingyuan Internal Historian, Jijiujiuer, and Writer. , the old name is "Lu Pingyuan". He is "a rare genius, with the best articles in the world" ("Jin Shu Lu Ji Biography"). Together with his younger brother Lu Yun, he was a famous writer in my country's Western Jin Dynasty. In fact, Lu Ji was also an outstanding calligrapher. His "Pingfu Tie" It is the earliest authentic Dharma calligraphy by a famous person that has survived in ancient my country.

Life

Lu Ji came from a famous family. His grandfather Lu Xun was a famous general in the Three Kingdoms and served as the prime minister of Soochow. His father Lu Kang once served as the Grand Sima of Soochow and led troops to fight against Yang Hu of Wei. Lu Ji was 14 years old when his father died. He and his younger brother were assigned to lead his father's army and became the general of Yamen. Wu died when he was 20 years old. Lu Ji and his younger brother Lu Yun retired to their hometown and studied hard in isolation for ten years. In the tenth year of Taikang (AD 289), Emperor Wu of Jin Dynasty, Lu Ji and Lu Yun came to Luoyang, the capital, to visit Zhang Hua, a famous scholar who was Taichang at that time. Zhang Hua attached great importance to him, which made Erlu famous. There was a saying at that time that "when two continents enter Luo, the price of three pieces will be reduced" ("three pieces" refers to Zhang Zai, Zhang Xie and Zhang Kang).