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2002～2003年,山东省荣成市瓦屋石渔业公司利用浅海筏架,进行海胆养殖实验,经过两年的实践获得成功,取得了显著的社会效益、经济效益和生态效益。
From 2002 to 2003, Wafangdian Fishery Company of Rongcheng City, Shandong Province, used shallow raft shelves to conduct sea urchin breeding experiments. After two years of practice, it achieved success and achieved remarkable social, economic and ecological benefits.