The mathematic model has four degrees of freedom (surge, sway. yaw and roll), taking the couple motion of roll on horizontal plane motion into account.

预报采用进退、横漂、首摇和横摇四个自由度的方程，考虑了横摇对水平面运动的耦合影响。

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Motion Drop is the tool that I wished someone had invented a couple of years ago.

运动下降，我希望有人发明了一个几年前的工具。

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A mathematical model of co-couple action is formed for both motion of vessel wall and blood flow in the entrance region of elastic vessel with tapered Angle.

对具有锥度角的弹性血管入口区域内的管壁运动和血液流动建立了相互耦合作用的数学模型。

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Valve believes the PC games market is healthy and will continue to grow, but Newell recognizes at least a couple of blind spots for the company: mobile and motion-gaming.

FORBES: Valve And Steam Worth Billions

Meanwhile Valerie Faris and Jonathan Dayton, the couple behind "Little Miss Sunshine" shot a slow-motion short on slapstick stunts from the silent era.

CNN: Mobile screens seek portable content

Nowadays, people just jump out of the dark all of a sudden and screech (cheap scare) or creatively disembowel screeching second-string actors (more gross than actually frightening.) Couple that with a veneer of macho stylishness, and you've got yourself a relative facsimile of a motion picture.

CNN: Review: 'John Carpenter's Vampires' stinks worse than garlic