rolling reduction meaning in English

压下量
轧制压缩比

Effect of cold rolled reduction ratio on deep - drawing properties of low carbon al - killed and cold rolled steel sheet
冷轧压下率对低碳铝镇静钢冷轧板深冲性能的影响
The course keeping and the course tracking are well . through observing , analyzing and comparing the simulated curves with damping and those without damping , the roll reduction can reach 25 % or so
运用simulink工具箱得出加风、浪后系统的输出曲线，通过观察，可以看到舵角在有效范围内变化，航向跟踪和保持得很好。
The present results reveal that the hydrodynamic model and roll reduction technique developed here can be regard as an efficient tool for naval architects to analyze the ship maneuvering behavior with roll reduction by rudder control in waves at the preliminary design stage
本文所发展的数学模式与减摇方法可用于初步设计阶段，来评估船只在波浪中进行操舵减摇的操纵性能。
The sliding mode controller with the line - of - sight ( los ) guidance is adopted for the rudder control to steer the ship in waves with the functions of track keeping and roll reduction , in which the design parameters are optimized from genetic algorithm
配合los导引的滑动模式控制器是以操舵控制的方式，使船只在波浪中的航迹能维持在既定航线并降低横摇量，而控制器的设计参数是以基因演算法来求得最佳化。