In order to model the acoustic target scattering in the shallow water, first, the target with any kind of shape, such as a submarine, is modeled by geometric drawing software.

为了建立浅海中的目标声散射模型，本文利用几何图形建模软件对潜艇等具有复杂几何外形的目标进行精确建模。

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This paper introduces the main conditions and economic results of fiber drawing tests of boat - shaped shallow and short bushing with 6 rows of nozzles.

本文介绍了“舟型浅槽六排孔短漏板”坩埚拉丝试验的主要情况及经济效益分析。

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Using the method of the anatomic drawing, the authors studied the shallow Quaternary cover in the northwest of the Taihu Lake from an Angle of 3d stratigraphic perspective.

采用剖析图法从三维透视角度研究了太湖西北地区浅覆盖区第四系。

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