谈到3G和2G．最关键的区别就是业务应用．3G业务应用一直是业界研究讨论的热点之一．因为3G的网络速率、较高的承载能力使更多项业务可以顺利的实施。并且移动终端对3G业务的支持能力也备受关注．用户的最终体验从很大程度上决定了3G业务的发展前景,所以终端测试规范在3G业务标准体系中占有重要的位置,3G终端业务应用测试的重要性不言而喻。 Speaking of 3G and 2G. The key difference is business applications. 3G business applications has been one of the hot research and discussion in the industry. Because of the 3G network speed, higher carrying capacity enables more businesses to be implemented smoothly. And the mobile terminal’s ability to support 3G services is also attracting much attention. The final experience of the user largely determines the development prospect of the 3G service. Therefore, the terminal test specification occupies an important position in the 3G service standard system, and the importance of the 3G terminal service application test is self-evident.