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全国县农机校教师有七千多人,其中1966年前毕业的大中专生占40%。新教师需要提高业务技术水平,老教师也需要不断解决知识老化的问题。鉴于这种情况,
There are more than 7,000 teachers in agricultural mechanic schools throughout the country, of which 40% graduated from colleges and universities before 1966. New teachers need to improve their business skills. Old teachers also need to constantly solve the problem of knowledge aging. Regarding this situation,