effect of demonstration

The thesis adopts threes research ways came from history, competition, economy in order to analyse way of demonstration and effect of demonstration about chattel mortgage.

本文以历史法学、比较法学、社会法学和法经济学作为研究方法，从理论和现实二个方面探讨了动产抵押的公示方法和公示效力。

He was using several magnets together which compounded the effect. He said that he knew it was a demonstration of the magnetic field of the magnets.

他把几块磁铁合并起来加强了磁力，儿子说他知道这正显示了磁铁的磁场。

This article introduces the factures and demonstration circs of a demonstrator of overweight and zero gravity which shows their data and whose demonstrational effect is very good.

介绍了一例超重失重演示仪的制作及演示情况，该演示仪能具体得到超重失重数值，演示效果好。