1. Research and development of some hot spot downstream products with good industrialization prospects are introduced
briefly.
并介绍了一些工业化前景较好的热点下游产品的研究开发状况。
2. This paper
briefly discusses the Digital Resource Integration System, and analyzes the definition, purpose and structure of digital resource integration.
本文概括论述了数字资源整合系统,分析了数字资源整合的定义、目的和体系结构。
3. The characteristic of elastic element which is applied in vibration tamping mechanism is
briefly stated, and the designing method of elastic element, as well as CAD is introduced.
扼要阐述了弹性元件的特性及在振动夯实机械中的应用,较详细地介绍了弹性元件的设计方法及计算机辅助设计。