arable fields; cultivated field; class; category

level farmland; well-cultivated land

see 西疇縣|西畴县[Xi1 chou2 Xian4]

category theory (math.)

Xichou, a county in Wenshan Zhuang and Miao Autonomous Prefecture 文山壯族苗族自治州|文山壮族苗族自治州[Wen2 shan1 Zhuang4 zu2 Miao2 zu2 Zi4 zhi4 zhou1], Yunnan

(math.) derived category