RACF通过类来实现安全性，即用于保护特定类型的资源的RACF实体。

RACF implements security through classes, which are RACF entities used to secure a specific type of resource.

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可以按照处理会话Bean安全性相同的方式使用部署描述符和安全注释配置实体Bean安全性。

You can configure entity bean security using the deployment-descriptor and security annotations the same way as we did for session bean security.

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目的评价切割针刺活检术在儿童实体肿瘤诊治中应用的准确性和安全性。

Objective To evaluate the diagnostic accuracy and safety of cutting needle biopsy for diagnosis in children with solid tumors.

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