On the other side, this system is different from the normal railway crossing alarm device.
另一方面，系统有别于常规的铁路道口报警装置。
Last, gray system theory is applied in the Continuous Beam Bridge Crossing Chang-Cheng Expressway which belongs to beijing-shanghai high-speed railway.
最后把灰色系统理论运用到京沪高速铁路跨常澄高速连续梁桥上。
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