西北地区保护性耕作技术与沙尘暴防治 关键词:西北地区;沙尘暴;保护性耕作;高留茬 [gap=761]Key words: northwest China;sand-dust storm;protective tillage;higher stubble much
基于30个网页-相关网页
sand dust storm 沙尘暴
Formation of sand-dust storm 沙尘暴的形成
regional sand-dust storm process 沙尘暴天气过程
sand-dust storm days 沙尘暴日数
summer sand-dust storm 夏季沙尘暴
sand-dust storm forecast 沙尘暴预报
on 3~12 April 1994,an exceptionanlly severe sand-dust storm dominated by suspended dust swept over the Northwest China.
1994年4月3日~12日,在我国西北地区发生了历史上罕见的以浮尘天气为主的沙尘暴。
参考来源 - 我国西北地区“94.4”沙尘暴成因探讨·2,447,543篇论文数据,部分数据来源于NoteExpress
The results show that upper trough and shear line and thermal depression are main synoptic systems introducing summer sand-dust storm.
研究发现高空小槽、切变线、热低压是引发夏季沙尘暴的主要天气系统。
To improve the accuracy of sand-dust storm forecasting, an RBF-SVM method with automatic parameter selection was presented in this paper.
为提高沙尘暴的预报准确率,针对目前已出现的RBF - SVM沙尘暴预报模型中的参数优化进行研究。
Because of natural and human factors, Heilongjiang province become one of the main area affected by sand-dust storm in northern regions of China.
由于自然及人为因素的作用,黑龙江省成为我国北方沙尘暴影响地区之一。
应用推荐