ssd6课程老师提供的课件英文版本的主要以C为基础第三讲pdf格式-ssd6 courses teachers are provided with English-language version of the courseware mainly in C, based on third speaking pdf format

ssd6老师给的课件pdf版本以c为基础第四讲-ssd6 teachers to the pdf version of the courseware to c-based fourth-speaking