The geometry layer provides an interface with CAD system to describe product.
几何层则实现与CAD系统的接口，以提供产品的几何实体描述。
The model is divided into three layers: parts layer, feature layer and geometry layer.
模型分为三个层次：零件层、特征层、几何层。
Human surface control points in geometry layer are fitted with NURBS surface fitting method.
采用NURBS曲面拟合方法对几何层的人体曲面网格数据进行了拟合。
We just need to produce a set of polygons for each layer that would then represent the layer's transformed and occluded geometry.
我们只需要为每个层，将表示层的变换和闭塞的几何产生一组多边形。
Reasonable designs of the structure parameters of PB layer and the gate-cathode geometry are obtained by numerical iteration and an equivalent current model.
文中采用数值迭代法和建立等效电流模型，对P_B层结构参数和门极-阴极几何图形尺寸进行了合理设计。
The pit then grows through the compressive layer, and the change in residual stress state and the pit geometry initiate stress corrosion cracking.
随后斑点穿过压缩层继续扩展，剩余应力发生改变，斑点最终导致应力腐蚀裂纹。
The results indicate that as the geometry thickness of defect layer increases, the center of the defect mode red shifts, the transmittance decreases, and the quality factor decreases too.
结果表明：缺陷层几何厚度增加时，缺陷模中心红移，透射率下降，品质因子变小。
To deal with low efficiency and veracity of the automatic geometry constraint recognition technology, a multi-layer automatic geometry constraint recognition algorithm was proposed.
针对基于几何约束自动识别的零部件精确定位技术中存在的识别效率和准确性不高的问题，提出了一种分层的几何约束自动识别方法。
To deal with low efficiency and veracity of the automatic geometry constraint recognition technology, a multi-layer automatic geometry constraint recognition algorithm was proposed.
针对基于几何约束自动识别的零部件精确定位技术中存在的识别效率和准确性不高的问题，提出了一种分层的几何约束自动识别方法。
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