identification system has flaws
识别系统存在缺陷
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To validate this system, some experiments are performed and the results show the proposed system has very high identification performance for pipeline flaws and outperforms other discussed methods.
为了验证系统的有效性，在实验室内作了大量的超声检测实验。实验结果表明，系统对管道缺陷具有较高的分类性能。
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