延吉

Yán jí Yanji county level city, capital of Yanbian Korean autonomous prefecture 延邊朝鮮族自治州|延边朝鲜族自治州, Jilin

供求

gōng qiú supply and demand (economics)

世界

shì jiè world; CL:個|个[ge4]

电子

diàn zǐ electronic; electron (particle physics)

版

bǎn a register; block of printing; edition; version; page

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