Demonstrational analysis of the consumptive structure of extraworker in guangdong .

广东外来务工人员消费结构的实证分析。

This article introduces the method of using inductorium to do the demonstrational experiment of hertzian waves which has a good experimental effect and is interesting and is able to play a better role of aid teaching .

介绍了用感应圈做电磁波演示实验的方法，该方法实验效果明显，趣味性强，能起到较好的教学辅助作用。

Products shown are for demonstrational purposes , please call our customer service officer for detail .

所有产品只作参考之用，详情请联络客户服务主任。

Marist began to scientifically probe the justice from the social main problem . Later some probed the justice achievement problem from the angle of the institution demonstrational study .

马克思主义从社会基本问题，开始了正义问题的科学探索，后来也有人从制度的实证研究角度探索实证的实现问题。