Based on the risk assessment, we should set up hazard forecasting and monitoring system and set up and perfected the geologic hazard preventing system.

在危险性评价的基础之上，建立灾害预测预报和监测系统，进而应逐步建立和完善城市地质灾害防御系统。

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Based on the risk assessment, we should set up hazard forecasting and monitoring system and set up and perfected the geologic hazard preventing system.

在危险性评价的基础之上，建立灾害预测预报和监测系统，进而应逐步建立和完善城市地质灾害防御系统。

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