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俗话说,天有不测风云,与风、雨、雷、电、冰雹、霜冻等相关的自然现象所衍生出来的台风、暴雨、干旱等不可抗力是人类无法阻止的。随着科技的进步,人类在应对天灾时所表现出来的智慧日趋臻熟,在应急抢险方面取得了一定的应对能力,可还有许多关乎城市民生的系列问题亟待解决.譬如,暴雨来袭后的城市排水系统是否完善?
As the saying goes, there are unexpected circumstances, and irresistible forces such as typhoons, rainstorms, and droughts derived from natural phenomena related to wind, rain, thunder, electricity, hail, and frost are beyond human resistance. With the advancement of science and technology, the wisdom that mankind has shown in responding to natural disasters has become more sophisticated, and it has achieved a certain degree of coping capacity in emergency rescue. There are still many issues concerning the people’s livelihood that need to be resolved. For example, after a heavy rain Is the urban drainage system perfect?