For the complexity of ocean environment, the motion of ship is a very complex movement. Roll is considered as the most significant motion in all of it.

由于船舶航行时所处的海洋环境的复杂性，船舶运动是一个非常复杂的运动，船舶横摇运动是考虑得最多的船舶运动。

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Amid this flurry of historical fissions and fusions it is easy to overlook another, arguably more significant unification set in motion in spring 1861.

在这些历史的分分合合之中，另一件事情很容易被忽略，有些人认为这件始于1861年春天的事情才是一次更有意义的“统一”。

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If there is significant swelling within a joint, you will lose range of motion — the limb will only go so far in each direction.

如果关节存在严重的肿胀，就会无法活动——肢体在每个方向上的活动范围都十分有限。

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Considering Saudi Arabia's historic and lucrative business links with America, this represented a significant motion of no confidence.

ECONOMIST: A blow for the forces of evil | The

NBCUniversal owns and operates a valuable portfolio of news and entertainment television networks, a premier motion picture company, significant television production operations, a leading television stations group and world-renowned theme parks.

ENGADGET: Dracula, The Mummy and six other horror classics coming in a Blu-ray set October 2nd (video)

The significant out performance by Nokia, Research In Motion and Facebook over Apple shows the importance of monitoring money flows.

FORBES: Money Flying Out Of Apple Stock. Flocking To Facebook, RIM, Nokia