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title:"international series in operation research
Profile Optimization of No. 12 Heavy Haul Railway Fixed Frog with 75 kg·m−1 Rail
According to the on-site investigation, in order to optimise the stress state of No. 12 fixed frog with 75
...A Discussion on Non-Keplerian Orbits
A section was selected to carry out both dynamic and static tests in order to assess the operation adaptability of existing line speed
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