ISBN: 9787560652740 - 程控数字交换原理学习指导与习题解析（第二版） (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2019-08-01 Publisher: Xi'an University of Electronic Science and Technology Press book based on curriculum requirements. the system summed up the digital program-controlled exchange principle to know before the course. and with the appropriate exercises and answers. has learn to practice a combination of features. Each chapter of this book is divided into knowledge. outline requirements and test sites analysis. summed up the key elements. chapter exercise.…