XML acceleration: the XML accelerator card that is offered as an option with the XI50 is standard on the XI50B.

XML加速：XML加速卡在XI50上作为一个可选项提供，但在XI50 b上是标准配置。

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Results show that amplitudes of dynamic stress, displacement and acceleration meet the suggested vibration standard.

结果表明，该地下厂房主要部位的动应力、位移、速度和加速度幅值满足振动允许标准。

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Because of the scale of acceleration, compressing thin-walled tube is very difficult to achieve the standard of pedestrian protection.

由于加速度范围的原因，无法得到优化结果，意味着传统的薄壁管压缩结构不利于对行人下肢的保护作用。

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It's somewhat of a formality--last month, the administration announced that automakers agreed to a national standard for tailpipe emissions and an acceleration of the government's schedule for fuel-economy standards.

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