论文部分内容阅读
1991年,全美共发生火灾2041500起,其中建筑火灾、室外火灾、纵火和居民火灾比往年有所增加,而由火灾引起的死亡人数特别是家庭火灾死亡人数却明显减少,由一般建筑物火灾而造成的死亡人数也大为减少。 一、火灾发生的次数和1990年相比基本上没有变化。 1991年全美发生的火灾比1990年增长1.1%。 在过去的十年中,发生火灾次数最多的是1982年,为2538000起,1983年比1982年下降8.3%,为2326500起。1984~1987年,火灾发生的次数基本不
In 1991, a total of 2,041,500 fires occurred in the United States. Among them, building fires, outdoor fires, arson and residential fires have risen over the previous years. The number of deaths caused by fires, especially those from home fires, has dropped significantly from the average building fires The death toll is also greatly reduced. First, the number of fires has basically remained unchanged from 1990 levels. In 1991, fires in the United States increased by 1.1% over 1990. In the past ten years, the highest number of fires occurred in 1982, from 2,538,000 and in 1983 down 8.3% from 1983 to 2,326,500. From 1984 to 1987, the number of fires basically did not