视觉障碍儿童个体间差异明显；

There was also obvious difference between individuals.

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教育对于视觉障碍儿童词义理解有显著作用。

Education was essential in the development of vocabulary comprehension of children with visual impairment.

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结果发现低年级视觉障碍儿童词义理解能力显著低于普通儿童；

We found that the subjects' comprehension of vocabulary was remarkably lower than ordinary children's.

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