add-on_security_有道手机词典

1.Also, Windows 7 still requires add-on security software that has to be frequently updated.
此外，Windows 7还需要安全软件插件，必须频繁更新。
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2.As a result, these add-on features end up being more of a reliability mechanism than a security mechanism.
结果，与其说这些添加的功能部件是安全性机制，不如说它们是可靠性机制。
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3.On the other hand it will add to the security of China's neighbours.
另一方面，它将提升中国邻邦的安全。
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