安全策略用于访问控制检查，这是由 JVM 在运行时执行的。

The security policy is used for access control checks, which are performed by the JVM at runtime.

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Metro 与 Axis2 一样将自定义内容添加到安全策略来传递运行时参数。

Metro, like Axis2, uses custom additions to the security policy to pass security run-time parameters.

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通过配置安全策略来执行运行时完整性检查。

Run-time integrity check by configuring security policies.

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