On the basis of analysis of previous mechanical models, a multi degree model with a distributed mass is established.

在分析研究现在常用力学模型的基础上，建立了多自由度分布质量模型。

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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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The important result of the relation of the inverse ratio of square through calculating the gravitation of a ball shell with uniformly-distributed mass on a particle.

通过计算质量分布均匀的球壳对一质点的引力，验证了平方反比关系的重要结果。

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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