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 .
