求翻译：“文革”导致了在职教师合格学历低、教学水平低，因此这一阶段的教师教育工作主要是在职教师的学历进修培训和提高教学水平合格程度的培训。是什么意思？

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The "cultural revolution" led to the in-service teacher qualified educational attainment and low, low level of teaching, and therefore the phase of the work is primarily education teachers in-service teachers training and raising the standard of teaching education graduates qualified level training.

“The Great Cultural Revolution” caused in office teacher qualified school record low, the teaching level to be low, therefore this stage teacher educational work mainly was in office teacher's school record further education trains and enhances the teaching level qualified degree training.

The "cultural revolution" led to serving teachers qualified with low academic qualifications, teaching low levels, so at this stage of teacher education is primarily academic continuing training of serving teachers and improve the teaching level of training.

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