To sum up the production method of copper-clad steel wire, analyze the problems existed in domestic production, introduce the standard and application of products.
概述铜包钢丝的生产方法，分析国内生产存在的问题，介绍产品标准及其应用。
The third analyze the problems which existed in primary and secondary morality construction from the perspective of theory and practice.
第四部分则在前三部分的基础上，结合我国中小学实际，提出了系统的中小学师德建设策略。
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