Chapter 2: The development and change of the reportage of history and biography. The reportage of history and biography was born in the New Era.
第二章:史传报告文学的发展流变。
参考来源 - 论史传报告文学The body has two sections. The first section in the first place gives a concise conclusion on the development courses of four-character verse from pre-Qin dynasty to Han dynasty before Wei and Jin dynasty.
正文部分共分两章：第一章首先简要概括魏晋以前自先秦至汉代四言诗的发展流变情况。
参考来源 - 魏晋四言诗分类研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文章主要介绍具有位能性负载特点的港口及船舶起重机械电气传动中交流变频调速技术的应用及发展趋势。
This paper introduces application and developing tendency of AC speed control technique by changing frequency in crane's electrical diving of port and Marine based on potential energy load.
综述了流变剂的种类、流变剂对涂料性能的影响、常用流变剂的性能及应用等，介绍了新型流变剂品种的发展趋势。
Varieties, influence of rheological agent to coating performance, performance and application of common rheological agent are covered. Development orientation of new rheological agent is introduced.
磁流变制动器是一种具有良好发展前景的新型制动器。
Magnetic current converter brake is a new brake with bright prospect.
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