近期，微软的研究人员表示他们已经开发出一套移动社交网络程序，它使得人们可以和好友分享私人信息而不暴露在网络中。
Researchers at Microsoft have developed mobile social networking software that lets users share personal information with friends but not the network itself.
而此次峰会针对生物燃料，出口禁令，社会安全网络(几乎没有提及)等问题的收效甚微不令人惊讶。
It is not surprising that the summit did little about biofuels, export bans or social-safety nets (which it hardly discussed).
这项服务依托于第三代移动网络系统(3 G)，而不局限于速度较慢的第二代移动网络系统。
It works with fast third-generation (3g) mobile networks, not just slower 2g ones.
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