The concept of fuzziness, the absolute Haiming distance, and the two-way evaluation standard are adopted to express the surplus and lack of some ions in groundwater in this region.

应用模糊加权绝对海明距离的概念，采用双向评价标准表达地下水中某些离子的缺乏、过剩效应，建立地下水水质模糊加权绝对海明距离综合评价数学模型。

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We reviewed the most interesting code snippets along the way and discussed two different approaches to expression evaluation.

同时还按顺序回顾了最有意思的代码片段，并论述了两种不同的表达式求值方法。

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It is necessary to build integrated professional system, implement effective two-way teaching and establish a sound evaluation mechanisms in order to achieve effective knowledge exchanges.

为了实现有效的知识交往，需要构建完整的专业体系，实施有效的交往教学和建立健全的评价机制。

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