To adapt to the broadband and packetized network development trend, the digital SPG switching paradigm in PSTN should be gradually evolved to a combined ATM and IP service switching platform.

为了适应网络宽带化、分组化的发展趋势，PSTN中的数字程控交换要逐步演进为包含A TM交换和IP功能的综合业务交换平台。

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The switching and maintenance software is an important component and the system platform of the switch software.

交换与维护软件是交换机软件的重要组成部分和系统平台。

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Small advertisers find switching to another platform too burdensome to bother.

小广告商发现转换到另一个平台的话太繁琐，所以不会更换。

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By September 2009 and after a few bumps in switching from the Java platform to focus instead on the open Android platform, she says the startup was profitable.

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By offering a platform that was so much more compelling, it actually dulled the pain of switching.

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