All of these services have been seamlessly integrated with QQ IM and can be accessed with a user's QQ account.

所有这些服务都与QQ即时通天衣无缝地集成，只要有QQ帐户就可以方便地使用这些服务。

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In late 2006, Tencent launched QQ Doctor 1.0, a small anti-Trojan tool to protect QQ user account.

2006年年底，腾讯推出了QQ医生1.0 .这是一款保护QQ用户账户的防木马小工具。

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QQ even introduced a virtual currency named Q-coin, which can be used by QQ users to buy their IM avatar's virtual clothes, hairstyles, furniture - and even virtual pet food for their virtual pets!

QQ甚至推出了自己的虚拟货币——Q币。用户可以用Q币为自己QQ的卡通形象购买虚拟服饰、发饰、家具，甚至虚拟宠物的食物！

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Or send your e-mails to unsv@qq.com Join us again next week for more news about science in Special English on the Voice of America.

VOA: special.2010.01.12

Tencent is well known in China for its instant messenger program QQ, with more than 600 million accounts.

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