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一、引言实践证明，为了提高行业职工的科学素质和技术水平，加强科技培训和教育工作是十分必要的。学习八门，充分地运用“不开口的老师”——查询本专业的科学文献（或资料），可以帮助解决许多实际问题。由于在科技文献中汇聚了先辈科学家和工程师们终身奋斗取得的成绩；记
I. Introduction Practice has proved that in order to improve the scientific quality and technical level of workers in the industry, it is very necessary to strengthen scientific and technological training and education. To learn eight lessons and to make full use of the “non-open-minded teacher” - to consult the scientific literature (or materials) of this major can help solve many practical problems. As a result of lifelong struggle brought together by advanced scientists and engineers in science and technology literature