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long straight tunnel
相关语句
  长直隧道
     In this paper,we discussed radio data transmission mode of Locotrol system on DaQin line and concluded the propagation and error-code characteristics of different wave band radio under different landform and by analyzing the test data in plain area,long straight tunnel,curving tunnel and short tunnel group for 800MHz and 450MHz wave band radio.
     介绍大秦线Locotrol系统的无线数据传输方式,分析800MHz和450MHz频段电波在平原开阔地带、长直隧道、曲线隧道、短隧道群弯曲线路中的测试数据,得出不同频段电波在不同地形条件下的传播特性及误码特性。
短句来源
  “long straight tunnel”译为未确定词的双语例句
     Numerical Study of Heat and Mass Transfer in Long Straight Tunnel with Water
     长直尾水洞内热质交换的数值模拟初探
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  相似匹配句对
     * straight.
     ~*直左次半群的条件,并且利用(?)
短句来源
     Alternating Magnetic Field in Long and Straight Coils
     长直螺线管中的交变磁场
短句来源
     The three-dimensional reliability analysis of long straight slope
     长直边坡三维可靠性分析
短句来源
     Long-span P.C.
     C.
短句来源
     2.As long as there
     诚如有的学者所指出的?
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  long straight tunnel
The investigated tunnel models with circular section include the long straight tunnel, the tunnel with train inside and the curved tunnels with different curvature.
      


combining theoretical derivation and practical application, the author raised a new method of combined processing of the data of both plane and elevation survey at each construction stage of long straight tunnels. The method utilize survey data rationally, and calculation is simple and easy. It can effectively increase the accuracy of the control survey result in long straight tunnels.

通过理论推导并结合实际应用 ,提出了对长大直线隧道洞内各期平面、高程控制测量资料进行联合处理的新方法。该方法合理利用多期测量资料 ,且计算简单、方便 ,能有效提高长大隧道洞内控制测量成果的精度

In this paper,we discussed radio data transmission mode of Locotrol system on DaQin line and concluded the propagation and error-code characteristics of different wave band radio under different landform and by analyzing the test data in plain area,long straight tunnel,curving tunnel and short tunnel group for 800MHz and 450MHz wave band radio.It was concluded that 800MHz wave band radio data transmission mode can meet the application requirement of operating 20kt over-hauled train on Dalian-Qinhuangdao...

In this paper,we discussed radio data transmission mode of Locotrol system on DaQin line and concluded the propagation and error-code characteristics of different wave band radio under different landform and by analyzing the test data in plain area,long straight tunnel,curving tunnel and short tunnel group for 800MHz and 450MHz wave band radio.It was concluded that 800MHz wave band radio data transmission mode can meet the application requirement of operating 20kt over-hauled train on Dalian-Qinhuangdao Line.

介绍大秦线Locotrol系统的无线数据传输方式,分析800MHz和450MHz频段电波在平原开阔地带、长直隧道、曲线隧道、短隧道群弯曲线路中的测试数据,得出不同频段电波在不同地形条件下的传播特性及误码特性。认为采用800MHz频段无线数据传输系统,能够满足在大秦线开行4×5000吨的2万吨组合列车Locotrol系统应用的需要。

 
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