扼要地介绍了USB接口的结构、工作机制、数据包的基本格式与传输方式,然后对在Windows环境下USB设备驱动程序设计中的要点进行了分......

The application of human induced oxygen consumption and carbon emission theory in urban region was summed up and on this......

In order to analyze changes in human settlement in Xuzhou city during the past 20 years,changes in land cover and vegeta......