The icon also changes in the hour before the Local Security Authority (LSA) renews the ticket.

在本地安全机构(Local Security Authority, LSA)更新票据前一个小时内，此图标也会发生变化。

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Once it is in your local store, you can access the data through the local store address, sometimes abbreviated as LSA.

一旦数据保存到本地存储中，就可以通过 本地存储地址（local store address，有时简写为 LSA） 来访问这些数据。

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Compared with other retrieval models, such as concept library based or concept network, LSA-based retrieval model is easy to compute and requires less human intervention.

基于LSA的检索模型与其它基于概念词典或概念网络的检索模型相比，具有可计算性强、需要人的参与少等优点。

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"When Hafwen's LSA left no-one could communicate with her, so we withdrew her from the school, " said Mr Clarke, 45.

BBC: Legal threat over lack of Welsh-medium signer for deaf girl