• 1. level crossing: 铁路道口 | 火车栅 | 引导列车安全通过障碍 | 河堤
• 2. manned level crossing: 有警察的平交路口
• 3. highway level crossing signal: 道口信号机

更多释义

• 1.The dog is walking down the street, when he comes to a level crossing.
  狗狗沿着街道走到了一个十字路口。
  dict.yoduao.com
• 2.We have studied the level crossing effect in degenerate four-wave mixing and compared it with the level crossing effect in resonance fluorescence.
  研究了简并四波混频的能级交叉效应，并与共振荧光的能级交叉效应比较。
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