法向力特性 meaning in English

normal force characteristic

The results show that the drag of grid fins is little affected by width to chord ratio , the normal force of grid fins was large , and that the smaller was the ratio , the better was the characteristics of the grid fins ' s normal force in tested sizes of width to chord ratios
结果显示，在所选择的格宽翼弦比范围内，格宽翼弦比对阻力的影响不大，对法向力有明显的影响，格宽翼弦比越小法向力特性越好。