In this paper, system primary structure, subsystem design, system data flowchart, network structure and the Alternative Covering design Algorithm to predict the price of coal are discussed in detail.
文章详细论述了系统总体结构、子系统设计、数据流程、网络结构和煤炭价格预测的交叉覆盖算法。
In 1981 the Ministry of Education issued "the Full-time Five-year-system Primary School teaching plan (Revised Draft)", which first included extracurricular activity in the teaching plan.
1981年我国教育部颁布了《全日制五年制小学教学计划(修订草案)》，第一次将课外活动列入教学计划。
In 1981 the Ministry of Education issued "the Full-time Five-year-system Primary School teaching plan (Revised Draft)", which first included extracurricular activity in the teaching plan.
1981年我国教育部颁布了《全日制五年制小学教学计划(修订草案)》，第一次将课外活动列入教学计划。
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