A study released Tuesday in the online edition of the British Medical Journal took aim at this very question.
本周二，英国医学杂志网络版公布了对于此问题的研究结果。
Aim at the question of maximum freight train arrangement, this article established an optimized simplification model.
本文对装车地直达列车开行方案问题进行了研究。
Aim at the question of maximum freight train arrangement, this article established an optimized simplification model.
本文对装车地直达列车开行方案问题进行了研究。
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