Modern long-distance education, as a new type of educational mode, has progressive significance as a milestone for our country to develop popular and lifelong education.
现代远程教育作为一种新型教育模式，对于开展我国大众化，终身化教育具有里程碑式的进步意义。
2
The positioning system and its constitution of the different types of progressive die are recommended. The positioning system and the operating mode used for typical punching die are introduced.
推荐了不同类型连续模的定位系统及其构成，并介绍了典型冲模使用的定位系统及运作方式。
3
The topic of the talk is usually chosen beforehand and the talkers must cooperate well in order to put forward the talk smoothly. The topic hierarchy and its progressivemode will then be influenced.