The rail, sleeper and beam have distinct relative displacement. In the former mechanics model, the influence of the displacement of the sleeper is not taken into account.

以往对钢轨、轨枕及梁跨结构三者之间产生相对位移的计算模型，没有考虑轨枕位移的影响。

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The structure of diversion rail cylinder former, the major design parameters and application effect were discussed.

网成形器的结构及主要设计参数的选择依据。

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The former rail regulator said direct entry into the police service had the potential to "change the face of modern British policing for the better".

BBC: Tom Winsor says outsiders will 'enrich' the police service

But they were also raked over the financial coals on March 8th when Tom Winsor, a former rail regulator asked by the government to look into police pay and conditions, recommended rejigging allowances, bonuses and overtime.

ECONOMIST: Police pay

Winsor, a former rail regulator, argues that far from keeping the police in touch with the public they serve, this deeply ingrained "blue collar" attitude is out-of-step with the modern world and is holding police officers back.

BBC: What do bobbies learn on the beat?