Due to 360's quick reaction and QQ Doctor's premature launch, many people uninstalled QQ Doctor, making its market share drop below 10%.

因为360反应及时，并且QQ医生的公布时机并不成熟，许多人卸载了QQ医生，使其市场份额一下子掉到了10%以下。

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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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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

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