Virtual campus can show interactive 3d campus scene factually, there is no time and space restriction.

虚拟校园打破了时空的限制，真实、直观地展现交互式三维校园场景。

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First, a null-space restriction is used to define the searching space, and then, CTS is applied to search the optimal result of the integer ambiguity in the searching space.

首先用零空间约束法确定搜索空间，然后用CTS搜索整周模糊度的最优解。

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The only restriction when running an online backup in DB2 is that you cannot drop a table space while that table space is actively being backed up.

在 DB2 中运行在线备份的惟一约束是：当一个表空间正在被备份的时候，不能删除这个表空间。

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Air Wales had hit the headlines last year by appealing for cabin crew under 5ft 3 inches - a height restriction it insists on because of tight space on the aircraft.

BBC: Take-off for budget City flights