| 1. | The frontal cross - sectional area , the velocity of the swimmer , the wetted surface area of the swimmer , the density of the fluid , and the coefficient of drag will all be the same whether the body is on the front or side
身体前部分的横截面面积，运动员的速度，运动员的触水面积，液体的密度以及拖曳系数都是一样的而无论身体是朝向一边或前倾。 |
