两个比一个安全 Two Is Safer Than One
两个手安全按钮 two-hand safety buttons
两个折叠安全带靴 Two folding belts boots
两个安全
Two safety
以上为机器翻译结果，长、整句建议使用 人工翻译 。
但我们能说，大约有两个安全打他们。
But we can say safely that there are about two dozen of them.
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两个安全性配置文件均与LDAP关联。
Both of the security profiles are associated with LDAP.
在对系统进行安全保障时，有两个安全性元素非常重要：身份验证和授权。
When securing systems, two elements of security are important: authentication and authorization.
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