In the job manager, nodes as well as other job manager artifacts are retrieved by query.

在作业管理器中，通过查询来检索节点以及其他作业管理器构件。

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Through the use of a special object called the entity manager, applications can query or persist objects.

通过使用称为实体管理器的特殊对象，应用程序可以查询或保持对象。

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The SoftwareProxy API communicates with the Device Manager server to create, update, delete and query software in the Device Manager database.

Soft wareProxy API同设备管理器服务器传递信息来创建、更新、删除并查询设备管理器数据库中的软件。

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