The United States is thee-business applications, one of the most developed countries, the development trend of other countries has an important role in the lead.
美国是电子商务应用最为发达的国家之一，其发展趋势对其他国家具有重要的引领作用。
This paper introduces the telecom business account-billing system is introduced in detail, analysis the development trend of the technology of account-billing system.
本文对本地电信业务计费帐务系统进行了详细的阐述，分析了计费帐务系统的技术的发展趋势。
Master business management and marketing sales knowledge, know about trend of market need, status and development trend of bus and coach technology.
经营管理知识，市场营销知识，了解市场需求趋势，产品技术现状和发展趋势。
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