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进入壁垒的大小既反映了市场内的已有企业优势的大小，也反映了潜在企业或新企业所面临的优势的程度。
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进入壁垒的大小既反映了市场内的已有企业优势的大小，也反映了潜在企业或新企业所面临的优势的程度。
A、正确
B、错误
时间：2021-07-17 23:33
关键词：
安全工程
专升本
安全经济学
2019级第三学期期末考试
答案解析
B
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