Moreover, with the increase in socio-economic development and human activities, by the loss of disasters and accidents are still at a faster rate into the twenty-first century economic loss has reached the level of hundreds of billions a year, but also to people's lives The property has brought huge

But, with the Economic and Social Development and the increase in human activities, and the disasters and accidents in the loss at a faster rate of growth in the 21st century economic losses each year has reached $100 billion on the level, but also to people's lives and properties with great loss, w

Moreover, the increase which moves along with the social economy development and the humanity, the disaster and the accident loss also in by the quicker speed growth, enters the 21st century economic losses to achieve the every year over a thousand hundred million Yuan levels, also gave the people t

Moreover, as the socio-economic development and the increase in human activity, affected by losses in disasters and accidents at a faster pace, entering the 21st century, the economic losses have reached levels of hundreds of billions of dollars a year, also brought great losses to the people's life

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