The commercialization conditions of the global N-ISDN and the development trend of B-ISDN reveal that N-ISDN has stepped out of ebbtide and B-ISDN is entering the market.
本文介绍了全球N-ISDN的商用B-ISDN的发趋势,N-ISDN走低谷、B-ISDN迈向市场的美好前景。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。