The formation of snow must occur, slowly, in calm air, and at a temperature near the freezing point. 在温度接近冰点的时候,在静止的空气中,雪才能缓慢形成。
Late-lying snow reduces the effective growing season to the point where seedlings cannot establish themselves. 久积不化的雪缩短了植物的有效生长时间,导致树苗无法存活。
A study published today ( 27 April) in Nature says the region received more snow in the past century than at any other point during the past thousand years. 今天(4月27日)出版的《自然》杂志上的一篇论文说,在过去的100年中,这个地区降下的雪比过去1000年中任何时段都多。
The weight of snow stressed the roof to the point of collapse 雪的重量压得屋顶快要塌了
This paper brings digital photogrammetry into distinguishing cloud and snow, and the key technology is image matching between conjugate point. 本文将数字摄影测量技术引入到云顶高度的计算和云雪区分中,其中的关键技术就是同名像点影像匹配技术。
By now, our high-speed railways all have Disaster Prevention and Safety Monitoring System, which only contain wind speed monitoring subsystem, rainfall monitoring subsystem and foreign object penetration limit monitoring subsystem; in addition, there is only a snow monitoring point in Changchun-Jilin inter-city railway. 我国已建成的高速铁路均建设有防灾安全监控系统,包含大风监测子系统、雨量监测子系统和异物侵限监测子系统,长吉城际有一处雪量监测点。