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1)  changing experience
变迁历程
2)  the course of immigrations
迁徙历程
3)  historical changes
历史变迁
1.
On the Historical Changes and the Prospects of Pu er Tea Mark;
试论普洱茶市场的历史变迁与发展前景
2.
Professional Qualification and Practicing Qualification ——two qualifications , historical changes and conception analyze;
职业资格与执业资格——两种资格的历史变迁与概念辨析
3.
The historical changes of regional eco-evironment and the enlightment——A case study on sandy area in triangular areas among Wei River,Luo River and Yellow River
区域生态环境历史变迁及其启示——以黄渭洛河三角地带沙苑为例
4)  Historical Change
历史变迁
1.
The Extension of Agricultural Function: Historical Change and Future Trend;
农业功能拓展:历史变迁与未来趋势
2.
State Act and Historical Change of Ecoenvironment in Northwest China;
略论国家行为与西北生态环境的历史变迁
3.
Discussion on East Asian sport culture in historical change;
小窥历史变迁中的东亚体育文化
5)  historical vicissitude
历史变迁
1.
Revelation about Historical Vicissitude of the Rights of Irrigating Waters from the Inland Rivers in Hexi Corridor;
河西内陆河流域农灌水权制度历史变迁的经验启示
2.
Hong Ji Tang of Jinan: Research on the Historical Vicissitude and Contemporary Protection of Chinese Traditional Medicine Store Custom;
济南宏济堂:传统药铺习俗的历史变迁与当代保护研究
3.
Therefore we must understand the historical vicissitude and vegetation actuality of the ecological environment in the West Region.
因此,必须了解西部生态的历史变迁和植被基础状况。
6)  historical evolution
历史变迁
1.
The educational objects of secondary vocational school have manifested six basic trends in historical evolution.
中等职业学校的教育对象在历史变迁中凸显出六大基本趋势。
2.
In this article,the historical evolution of Chinese urban development is described in brief,and then several key factors which have influenced urbanization are discussed as follows:improvement of traffic and transportation,elevation of industrialization level,sufficient development of agriculture,and distribution of resources.
该文首先简要论述了中国城市发展的历史变迁,然后分析了影响城市化进程的几个关键因素:交通运输条件的改善、工业化水平的提高、农业的充分发展和资源布局,最后初步探索了中国特色的城市化道路选择:发展城市要以资源为依托。
补充资料:反应历程
分子式:
CAS号:

性质:又称反应历程。指化学反应过程中由反应物分子变为产物分子所经历的具体步骤。从宏观反应动力学的角度看,可将反应机理理解为一个总反应所包含的各个元反应的集合。探求一个总反应的机理,实际上就是探求这一总反应究竟包括哪些元反应以及它们按怎样的序列进行。从微观反应动力学角度看,反应机理指微观的基元化学物理反应的详细经过,此反应机理也称分子机理。

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