基准要素

water feature───水饰；水景

water features───水文要素

main feature───主要特征；主要特点；主景；功能特点

to feature───特征

creature feature───生物特征

creature features───生物特征

design feature───设计特点；结构特点；设计数据；设计形体

In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.───针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。

It introduces the perspective system feature in different positions between tableau and datum plane inclination.───研究了画面与基面处于不同位置时的透视体系特征。

This paper offers a method of modeling and simulating for digital controlled power supply system, on the basis of analyzing the feature of how datum are processed in digital processor.───文中在分析数字处理器的工作特点的基础上，提出一种适合于数字控制电源系统的建模仿真方法。

Datum as a "theoretically exact point, axis, or plane derived from the true geometric counterpart of a specified datum feature, "───基准作为“理论上精准的点、线、面，来自一个指定的基准特征对应的实际几何体上”