英语语法分析

The dip frequency plot and vectograph of blue mode were used to study the paleocurrent, the extension o.

本文采用地层倾角方位频率图和蓝模式矢量方向研究古水流方向和沉积砂体延伸方向和沉积砂体的相带变化特征。

Research on paleocurrent directions and provenances indicate northeast and southwest direction are the two major sediment resources of Chang 4 + 5oil-bearing bed.

古水流方向与物源分析研究表明，延长组长4 + 5期，有东北部和西南部两个主物源方向。

The method shown in this paper could be a new way to analyze the paleocurrent in paleo-limnological delta and will provide new scientific data to serve the petroleum exploration.

沉积物磁各向异性的研究方法本身也为古湖泊三角洲流向分析提供了新手段，为油气勘探的深化提供了新的科学依据。