实际轨道 meaning in Chinese

actual orbit

Actual track diagram
实际轨道布置图
But there has been no track spectrum that can reflect the real condition of chinese rail for a long time . many organizations have put forward some conclusions of track spectrum , but there is no unite conclusion at present in china . power calculation of locomotive and experiment on the rolling and vibration test - bed have to adopt foreign track spectrum
但长期以来没有能反映我国实际轨道状况的轨道谱，虽然国内很多机构都已提出一些轨道谱的结论，但尚没有统一性的结论提出，机车车辆动力学计算和滚动振动试验台试验均只有采用国外轨道谱。