C面试——包括C，C经典问题，及面试笔试题，网络·操作系统·数据库，CC笔试题系列·以及一些关于面试的问.-C interview- including C, C classic questions, and interview questions pens, network operating system, database, CC pen test series as well as some interviews about the question.

波段顶底发生反转时发出信号，信号不存在漂移现象(Auto-wrapping argumentation pen, after repeated testing, drawing line is very accurate, do not know that there is a wood God can change him into EA)