This thesis expounds the causes of geological calamity and region geological calamity forewarning principle.
论述了地质灾害的成因和区域地质灾害预警原理.
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The long - range location and forewarning is the key factor of capturing the initiative in modern war.
远程定位预警是现代战争中夺取主动权的关键.
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So the study of marketing risk forewarning has become a necessary and practical issue.
因此,探索营销风险预警管理,成为亟待解决的现实问题.
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