例如，添加虹膜扫描生物识别技术，可以使我们在用手机购物时拥有较高的安全保护能力，也就不再需要目前不可或缺的密码验证。

Adding iris scanning biometrics, for example, could enable higher protection when making purchases on mobile phones and would eliminate the need for current password authentication.

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它向您提供使用定义的安全约束保护资源的能力，然后定义可以访问受保护资源的用户角色。

It gives you the ability to protect a resource with a defined security constraint and then define the user roles that can access the protected resource.

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提高防灾减灾能力是保护人民生命财产安全的必然要求，也是人类社会共同面临的重大课题。

To enhance disaster prevention and mitigation capacity is essential for protecting people's lives and property. It is also a major task facing the whole mankind.

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