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人们大概还记得，２０世纪５０年代曾经有两本广受欢迎的综合科普期刊：《知识就是力量》和《科学画报》。到６０年代中前期，这两本科普期刊最高发行量都达到百万份左右。这时正值第一次科普高潮。“文化大革命”开始后扼杀了所有科普期刊。直到７０年代初，科学出版社才编辑?
People probably remember that there were two popular comprehensive science journals in the 1950s: “Knowledge is power” and “Science Illustrated.” By the early to mid-1960s, the top circulation of both popular science journals had reached about 1 million copies. This was the first time that the science popularized. All popular science journals have been killed after the “Cultural Revolution” began. Until the early 70s, science press editors?