Zhongguo da bai ke quan shu. Zi dong kong zhi yu xi tong gong cheng = 中国大百科全书. 自动控制与系统工程 = Encyclopedia of China Automatic Control and Systems Engineering

Zhongguo da bai ke quan shu. Dian gong = 中国大百科全书. 电工 = Encyclopedia of China Electrotechnical

Zhongguo da bai ke quan shu. Jiao Yu = 中国大百科全书. 教育 = Encyclopedia of China Education

Zhongguo da bai ke quan shu. Nong ye = 中国大百科全书. 农业 = Encyclopedia of China Agriculture

Zhongguo Da Bai Ke Quanshu...