It is necessary to monitor the landslide and achieve the early warning of landslide hazards.

为防患于未然，必须对滑坡进行监测，实现滑坡危害的早期预报。

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It is necessary to monitor the landslide and achieve the early warning of landslide hazards.

为防患于未然，必须对滑坡进行监测，实现滑坡危害的早期预报。

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