For the rapidity and traffic density of trains on high-speed railway, larger traction power is needed, so the electric power supply is adopted.

高速铁路列车速度快、行车密度大，要求牵引功率高，电力牵引成为高速铁路动力牵引的必然选择。

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This article introduces the traction power supply system in Wuhan, especially the electrical and mechanical indices of aluminum -composite conductor rail and its accessories.

本文介绍了武汉市轨道交通的牵引供电系统，重点介绍了钢铝复合接触轨及其附件的电气和机械性能指标。

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It is significant in design of traction power supply systems and evaluation of relative power quality problems to build a proper electric load model for the electric multiple units (EMU).

动车组电气负荷建模对牵引供电系统的设计以及电能质量相关问题的评估具有重要意义。

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At first, Drobo got traction with power users, such as video editors.

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Translation: It finds the wheel or wheel with the most traction and applies power there.

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So does this mean, to use a resonant phrase gaining a good deal of global traction thanks to the power of social media, that banks such as HSBC are not only "too big to fail" but also "too big to jail"?

BBC: Are some banks too big to jail?