These are the factors that govern the various forms of drag resistance and are independent of orientation to gravitational pull 独立于方位和地球引力的因素支配着这些不同形式的拖曳阻力。
2.
Holding the body on the side produces no more or no less drag resistance than holding it prone in crawl or backstroke 保持身体在一侧的姿势产生的拖曳阻力相对保持身体水平的姿势来说是一样的，不多也不少。
