Results The main reasons of frequent motorcycle accidents are the overloading of motorcycles, the immigrant population and lag in traffic establishment.
结果广州市摩托车多,外来人口增多和交通设施落后是事故频发的主要原因。
At the beginning of the establishment of new China, 600000000 of the country's population, 80% are illiterate.
新中国成立伊始,全国6亿人口有八成是文盲。
The this paper, the population dynamics of Spodoptera litura was studied by establishment of continuous generation life table of Spodoptera litura.
通过组建斜纹夜蛾自然种群连续世代生命表,对斜纹夜蛾的种群动态进行了研究。
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