按我的分类,上策严格隔离或反向隔离,中策放任自流,下策压平曲线。
北朝鲜把上策两招都用了,用得都很好。
按我的分类,上策严格隔离或反向隔离,中策放任自流,下策压平曲线。
北朝鲜把上策两招都用了,用得都很好。
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