作者通过露头调查、钻孔岩心分析和砂分散体系制图，对鄂尔多斯盆地东北部直罗组下段进行了成因分析。

According to outcrop research, drilling core analysis, and sand distributed system drawing, we analyzed the lower member of Zhiluo Formation, northeastern Ordos basin.

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制图技术中，通过改变同一显示场中所有其它显示组的属性来加强给定显示组的显示效果。

In computer graphics, emphasizing a given display group by changing the attitudes of all the other display groups in the same display field.

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绘制图所包含的信息对设计师、买家、操作师，裁剪师和制作组都至关重要。

Technical drawings contain information that is essential for designers, buyers, machinists, pattern cutters, and production teams.

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