Finally, some experimental methods and results are presented.

最后，介绍某些实验方法和结果。

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Some experimental methods for the treatment of ammonia etching wastewater are introduced.

报告了碱氨蚀刻废液处理方法的试验研究。

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Query has some experimental update()/delete() methods on it for criterion-based updates/deletes.

查询提供了一些试验性的 update()/delete() 方法，用于实现基于标准的更新/删除。

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