The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。
There are three means about the judge of Region "jobless growth", each of them has advantages and disadvantages, we can using the most applicable method according to specific region.
区域“无就业增长”的考量之法有三种，各有利弊，可针对具体区域采用最适用之法。
The distribution of three dimensions meteorological element fields of a heavy rain that occurring in the Southern China region was examined using a composite method.
利用合成分析方法检验了一次华南暴雨的三维气象要素场的分布。
应用推荐