Zhongguo da bai ke quan shu. Dian gong = 中国大百科全书. 电工 = Encyclopedia of China Electrotechnical
Zhongguo Dabai Kequanshu Zhongbianji Weiyuanhui
Zhejing Jiaoyu Chubanshe, 1998
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Zhongguo da bai ke quan shu. Jiao Yu = 中国大百科全书. 教育 = Encyclopedia of China Education
Zhongguo Dabai Kequanshu Chubanshe, 1998
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Zhongguo da bai ke quan shu. Nong ye = 中国大百科全书. 农业 = Encyclopedia of China Agriculture
Zhongguo Dabai Kequanshu Chubanshe, 1998
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Zhongguo da bai ke quan shu. Tian wen xue = 中国大百科全书. 天文学 = China Encyclopedia of Astronomy
Zhongguo Dabai Kequanshu Chubanshe, 1998
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Zhongguo da bai ke quan shu. Shi jie di li = 中国大百科全书. 世界地理 = China Encyclopedia of World Geography
Zhongguo Dabai Kequanshu Chubanshe, 1998
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