Ballastless slab track on bridge of Passenger Dedicated Line is a track of new type with stable track and bed structure high regularity and less maintenance.

客运专线桥上采用板式无碴轨道是一种新型轨道形式，它能提供稳定的道床结构，是一种高平顺、少维护线路。

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The proposed rules also put additional requirements on issuers to keep track of their shareholders. A transfer agent type structure may be required.

拟议的规则也提出了关于对其股东保持追踪的额外要求，因此，过户代理型结构可能是必需的。

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This paper introduced the type, structure, function, and theory of the new tight-lock coupler applying to city track traffic.

介绍了新型城轨用密接式车钩的型式、结构、功能和原理，论述了强度、运动学分析、制造工艺等关键技术研究和试验情况。

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This paper introduced the type, structure, function, and theory of the new tight-lock coupler applying to city track traffic.

介绍了新型城轨用密接式车钩的型式、结构、功能和原理，论述了强度、运动学分析、制造工艺等关键技术研究和试验情况。

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