To avoid reduction of critical time step size due to the penalty parameter for contact force calculation, a local density factor is introduced.

为避免用于计算接触力的罚函数法中的罚因子影响显式仿真算法的稳定性 ，采用了局部质量密度因子来抵消罚因子的负面影响。

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The most critical step toward delivering DBaaS that truly brings value to your end users is to decide ahead of time what type of database templates and images should be made available on the cloud.

要交付能真正为您的终端用户带来价值的 DBaaS，最关键的一步是提前决定应该在云环境上提供哪些类型的数据库模板和映像。

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It's the first and a very critical step because it'll make him think and give you more time to make him regret and come back to you!

这是第一步而且是非常重要的一步，因为这会使他重新思考并给你更多机会让他后悔最终重新回到你身边！

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Alabama passed a law that allows students to earn credit based on mastery of skills as opposed to seat time which is a critical step forward into escaping the dilemma posed in the Prisoners of Time report and moving to measure the proper end of the student.

FORBES: Notable online learning developments in 2010 not all positive ones

This is something we've been calling for for some time, and it will be a critical step in boosting growth.

WHITEHOUSE: President Obama��s Press Conference on the G20 Summit

"Time and again we've learned that quickly piecing together information and taking swift action is critical to staying one step ahead of a nimble adversary, " Obama said.

CNN: Obama on intel system: 'This was a screw-up'