一段优秀设计的代码，经错一些微小的、可逆的改变，使得它完全不能被除了你自己之外的任何人维护，这样一个处理过程。

The process of taking a well-designed piece of code and,through a series of small, reversible changes, making it completelyunmaintainable by anyone except yourself.

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结论错畸形伴牙周炎患者经牙周正畸治疗后可以达到稳定的治疗效果。

Conclusions Malocclusion patients with periodontitis can obtain long-term stability after orthodontic treatment.

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结论错畸形伴牙周炎患者经牙周正畸治疗后可以达到稳定的治疗效果。

Conclusions Malocclusion patients with periodontitis can obtain long-term stability after orthodontic treatment.

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