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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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。

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Primary care should be the backbone of any health care system.

基层医疗应该是任何卫生医疗系统的支柱。

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In California, voters passed a measure to replace their primary election system, starting next year.

VOA: special.2010.06.12

In 2009,Sierra Leone President Ernest Bai Koroma launched a review of the education system following abysmal exam results at both the primary and secondary level.

VOA: standard.2010.02.25

"But we have a rather poorly developed system of good primary care and prenatal care."

VOA: standard.2010.06.23

In its School Organisation Review, Suffolk County Council is replacing the three-tier system of primary, middle and secondary schools with the two-tier system which cuts out the 40 middle schools.

BBC: Suffolk's middle schools closure programme starts

In April 2005, the council agreed in principle to change from the current system of first, middle and high schools to a system of primary and secondary schools.

BBC: NEWS | UK | England | Tyne | School shake-up talks to continue

The medical payment system makes primary care a sweatshop.

FORBES: How Entrepreneurs Can Prosper From The Health Care Crisis