Those guarantee that project management systems could efficiently manage and monitor task flow in the course of virtual enterprise running to lead projects to go with a swing.

从而保证了系统对虚拟企业运行过程中的任务流进行正确的管理与监控，使项目顺利进行。

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The advantage of a swing keel is that, with the keel raised, the sailboat can go into shallow water and sits lower on a trailer.

摇摆龙骨的优点在于，当龙骨升起时，船只能在浅水航行，并减低在拖车上的高度。

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Students, protected with a harness and safety net, swing on a trapeze bar from an elevated platform, with the ultimate goal of letting go and being caught by another swinger.

BBC: Run away to the circus in Montreal