In order to take into account the distributed mass along the stories of structure, equation of motion is given in the local coordinates of the story.

考虑层间结构分布质量及楼层处集中质量，在层局部坐标中建立运动微分方程。

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In the balance design, even distributed mass is required, special slip ring is taken to get electric signal and fixed mount is used at balance rear end to eliminate vibration.

天平设计要保证质量分布均匀，采用特制滑环引出电信号，并且天平后端用支架支撑以减小振动。

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Star has many characters, it is a huge air mass, and also has huge mass, it forms a gaseous sphere with great pressure force and uneven distributed mass under the effect of gravitation.

恒星有着许多特性，它是一个巨大的气团，并且有着同样巨大的质量，在万有引力的作用下形成一个有着巨大压力的、质量分布不均的气体球。

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Since the smartphone was meant to be a niche product focused heavily on beautiful design and the best materials at Porsche's disposal, the P'9981 isn't going to be mass-distributed.

ENGADGET: BlackBerry Porsche Design P'9981 hands-on (video) Mobile

The TechHerald points out that Sony has suffered seven security incidents in two months, including an original mass DDoS (distributed denial of service) by Anonymous last month and the devastating breach that compromised the data of more than 100 million account holders of the PlayStation Network and Sony Online Entertainment.

FORBES: Sony Greek Website Is Latest To Be Hacked

Both Singapore and Japan distributed part of their emergency assistance last year through mass Muslim organizations Muhammadiyah and Nahdlatul Ulama.

CNN: ACCOUNTING FOR PAST SINS