Finally, the distributing and evolving features of contact force network in dense granular systems are investigated.

最后，分析了密集颗粒系统内接触力网的分布及演化特征。

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The contact force network may provide a micro-mechanism for revealing the static, dynamic features in granular systems.

对系统内接触力网的分析统计有助于从机理上揭示颗粒系统的许多静、动态性质。

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By the analysis of correlation between fighting ability of American force network center and geographical information grid, the structure and application of geographical information grid is explained.

通过分析美军网络中心战能力设想与地理信息网格的关系，阐释了地理信息网格的构成及应用。

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The Durham force uses a network of mobile cameras to trap speeding drivers.

BBC: Speed camera stance defended

It said such a task force should include Network Rail, train operators, local authorities, local enterprise partnerships and key stakeholders representing business and users.

BBC: Abseilers inspect Devon railway line landslip

Bebo said it also worked with a variety of organisations, including anti-bullying groups, the Home Office internet task force on social network, and the Department for Education.

BBC: NEWS | UK | Wales | South West Wales | Teens arrested over web bullying