contraflow

noun

1. （道路一侧关闭维修时实行的）一侧双向行驶
   a system that is used when one half of a large road is closed for repairs, and the traffic going in both directions has to use the other half
   1. A contraflow system is in operation on this section of the motorway.
      这段高速公路的一侧正在实行双向行驶。

1. N-COUNT (道路维修时暂时采取的)一侧路面双向行驶
   A contraflow is a situation in which vehicles travelling on a main road in one direction have to use lanes that are normally used by traffic travelling in the opposite direction, because the road is being repaired.
   1. ...a contraflow between Junctions Eleven and Twelve of the M5.
      5号高速公路第11号和12号出口之间的一侧路面双向行驶

1. Bi-level Programming for Optimization of Contraflow Lanes after Massive Activities
   大型活动后车道单行优化的双层规划
2. While repairs are being carried out on this part of the motorway, a contraflow system is in operation.
   高速公路的这一部分正进行维修，现实行逆道行驶。
3. The entropy generation number N st of heat exchangers of several flowing pattern was compared with that of contraflow heat exchanger. The varying law of N st with the heat transfer unit number NTU, inlet temperature ratio τ and heat capacity ratio C was obtained.
   将几种流动型式换热器相对于逆流式换热器进行了熵产生数相对值的比较，得到了熵产生数相对值随传热单元数、入口温度之比和热容量之比的变化规律。