The model can simulate operation conditions of the tunnel and solve key technical problems of ventilation shaft.
该模型通可以较好地模拟运营工况和解决通风风井部位的关键技术问题。
This system not only can simulate track training in offline, but also simulate operation training with an additional transit instrument.
既可进行机下计算机模拟跟踪训练，也可加挂经纬仪进行模拟实操训练。
It is shown that utilization of one channel is not disadvantageous over another with any conditions if and only if the first channel can simulate operation of the another.
结果表明当且仅当第一条通道可模拟另一条通道的操作时，则第一条通道在任何情况下比另一条通道都有优势。
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