五是加强灾情跟踪监测。
其系统涉及到灾害的监测、预报、防御、抗御、治理、灾情评估和减灾效益的分析等环节。
The system involves disaster monitoring, forecasting, prevention, resistance, control, loss assessment and efficiency analysis of disaster reduction.
论述了我国北方地区造成严重影响的沙尘天气，特别是沙尘暴及其危害及研建完成的“沙尘暴的卫星遥感监测与灾情评估系统”及其监测评估实例。
The paper touches upon the dusty weather which has caused serious influence on the northern part of China, especially the sandstorm disaster and its harm.
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