There was no significant difference between the visual estimation and the digital measurement systems.

肉眼评估和计算机软件分析结果间无显著差异。

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At present, because of the lack of quantitative criterion in morphological characters, visual estimation was often used in appraising the quality of rice seedlings.

由于目前缺乏秧苗形态性状的量化标准，经常利用目测的方法对秧苗素质进行判断。

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At present, because of the lack of quantitative criterion in morphological characters, visual estimation was often used in appraising the quality of rice seedlings.

由于目前缺乏秧苗形态性状的量化标准，经常利用目测的方法对秧苗素质进行判断。

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