测量手法不同，误差1-3cm属正常的翻译：Measurement techniques of different, the error 1-3cm is normal 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Measurement techniques of different, the error 1-3cm is normal

The survey technique is different, erroneous 1-3cm is normally

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Measurement techniques of different, the error 1-3cm is normal