A tagged message also has the space overhead of allocating variable length data elements to store the retrieved data values.

带标记的消息还需要分配可变长度的数据元素来存储检索数据值而带来的空间开销。

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Even then, it still includes the database protocol overhead and memory copy from the server space to the application space.

即便如此，它仍然包括数据库协议开销，以及从服务器空间到应用程序空间的内存复制。

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Maintaining users in two different directories takes up a lot of space, and keeping users in sync in both the directories will be another administrative overhead.

在两个不同的目录中保留用户会占用大量空间，而且保持两个目录中的用户同步也是另一项管理开销。

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Additionally, Cush said, early boarding passengers would sometimes glance up at all the empty bin space overhead and then place their carry-on in the bin.

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The amount of money they are saving on office space and overhead operating expenses alone, has been monumental.

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You might see the space station going overhead or a shooting star.

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