determine(The purpose of the trials was to determine the optimal position for the dynamic soft reduction and the effect of reduction amount in the reduction zone on the centre-line segregation. 这些试验的目的是：确定动态轻压下的最佳位置和压下区压下量对中心偏析的影响。)
tracer measurement(An investigation of the effect of multiple-hole baffles on the flow of steel in 6-strand tundish was made using tracer measurements, mathematical and water modeling. 使用示踪剂测定、数模和水模方法对六流中间包内多孔缓冲板对钢水流动的影响进行了研究。)
