geol mag new ser dec 地质学杂志新丛刊
With the rapid development of telecom technology, many new types of ser- vices do emerge, while traditional services are being improved. This makes communications much faster and easier.
现在，随着电信技术的飞速发展，许许多多电信新业务便应运而生，传统业务也不断得到改进，通信因而更加方便快速了。
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