1、Shipai System of Yao Nationality and the Socialist Harmonious Society Construction in Dayao Mountain--Investigation Series One on Customary Law of Yao Nationality and Dong Nationality in Guizhou and Guangxi Zhuang Autonomous Region;
2、纪出现了一种机械式点火装置，即用二硫化铁或燧石与钢片撞击产生火花，点燃火yao池内的引火yao
