Seamless steel pipe, according to experts, is different from "home appliances to the countryside" and "car to the countryside", the brand involved in numerous building materials industry, especially cement and other short-legged products, regional strong.
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Since 1975, there are 357 regional strong rainfall days in Beijing area., and 11.9 days in each year.
1975年以来，北京地区共出现了357个区域强降水日，平均每年有11.9个区域强降水日。
Based on the historical seismic data, we have analysed the time sequence of the global and regional strong earthquake activities by using the maximum entropy spectrum method.
本文根据历史地震资料按最大熵谱方法对全球及全球各地震区强震活动的时间序列进行了分析。
The opposition’s rehabilitation began with a strong showing in big cities in a regional vote two years ago.
两年前，反对派在大城市区域选举中的胜利，表明他们的声誉得到恢复。
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