Regardless of the syntax you choose, you trace the structure from the concrete schema patterns to the abstract pattern (as in Listing 3), where you find semantic anchors that solidify the definition.

无论选择什么语法，都可以把这种结构从具体的模式范式回溯到抽象范式（参见 清单 3），从而找到确定其定义的语义锚。

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An approach of computer geometric pattern recognition, which is based on semantic knowledge of an engineering structure sketch, is presented in this paper.

提出了基于工程结构简图语义知识的计算机结构模式识别方法。

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