通信技术名词解释（一）编者按：为配合新颁布的通信技术标准的宣贯工作，规范通信技术名词的使用，帮助大家学习理解通信技术名词，本刊开辟《通信辞典》栏目，分期选登新颁布的通信技术标准电信术语的有关内容，供大家学习参考。１．交换级ｓｗｉｔｃｈｉｎｇｓｔａｇｅ... Communication Technology Glossary (A) Editor’s Note: In line with the newly promulgated communications technology standards publicizing the work, regulate the use of communication technology terms, to help you learn to understand the terms of communication technology, this issue of “communication dictionary” section, Newly promulgated by the telecommunications technology standard telecom terminology, for your reference. 1. Switching level switchingstage ...