The texture features such as direction and contrast of the image can be obtained from weighted projection statistics of primitive feature, which are more matched with human vision.

然后通过对基元特征进行加权投影统计，得到图像的方向性、对比度等纹理特征，这些特征可以更好的适应人类视觉特性。

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This feature promotes composition of advanced behavior using primitive operations.

这个特色允许通过元操作来组合一些高级行为。

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At the same time, I point out the prime feature of primitive law.

同时，也顺带指出了原始法的基本特征。

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Then on the basis of the primitive relation, the technology of feature vertex based on region is put up to recognize the reality of an entity and the hidden primitive relations.

在基元关系基础上，提出基于连通域的特征点技术，以判别形体的虚实性并且识别省略的基元关系。

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Then on the basis of the primitive relation, the technology of feature vertex based on region is put up to recognize the reality of an entity and the hidden primitive relations.

在基元关系基础上，提出基于连通域的特征点技术，以判别形体的虚实性并且识别省略的基元关系。

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