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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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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给出一组分组数据，六西格玛黑带应能选择和作出正确的控制图，并且确定给定的过程是否处在统计控制状态。

Given a set of subgrouped data, the Six Sigma Black Belt should be able to select and prepare the correct control charts and to determine if a given process is in a state of statistical control.

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