求翻译：在经过多年的教学改革后，不少精读教师在课堂上的角色仍然未能转变，在包办思想指导下，教学“单边主义”不时出现，教学实践中的系统性、科学性和创新性难以体现是什么意思？

After years of teaching reform, many intensive role of teachers in the classroom is still unable to change, arranged under the ideological guidance, teaching "unilateralism" from time to time, the systematic teaching practice, science and innovation are difficult to reflect

After many years of teaching reform, many reading teachers in the classroom, the role has not been able to change, in the case under the guidance of the idea that teaching "unilateralism" appears from time to time in the practice, teaching, scientific, and innovative, it is difficult to illustrate

After passes through many year educational reform, many perusal teacher's has still not been able to transform in classroom role, in takes care of everything under the thought instruction, the teaching “the unilateral principle” often appears, in the teaching practice systematic characteristic, the

After many years of teaching reform, many reading does not change the role of teachers in the classroom, in the package under the guidance of, teaching the "unilateral" from time to time, systematic, scientific and innovative teaching practice to reflect

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