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1·Specialised programmes include The Weather Channel, 24 hours a day of barometry and precipitation forecasts;

专门的节目包括“天气 频 道”，一天24小时预报气压和降雨量；

2·All known methods of the precision check for resistance measurement of mine ventilation networks by barometry are summarized and analyzed in this paper.

分析了已有的矿井风网阻力测量精度的检验方法。