本文还通过简述草木染料的历史沿革，分析了草木染的应用状况，总结了草木染料的优点和弊端，探讨了其未来的发展前景。
This thesis also through briefing describe the history, analyses the application of the vegetable dyes, conclude the advantage and weakness and inquire into the prospect in the future.
着重讨论了国内外油气管道防腐技术应用历史沿革与发展趋势、近年我国油气管道防腐技术的应用以及油气管道防腐技术应用中应注意的问题等方面的内容。
The history of the application of anticorrosion at home and abroad, the application of the techniques at present, the problems of the application of the techniques were emphasized.
然后对国外成熟期货市场自律体系的历史沿革、组织形式、特点和发展趋势进行比较研究。
Then the difference between china and foreign futures market self-regulation has been compared about history evolution, framework, character and development tendency.
应用推荐