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1鱼类的体型鱼类的体型大多为纺锤型、侧扁型、平扁型、圆筒型等,这种体型,使得鱼类在前进方向上的阻力最小,运动时消耗的能量也最少,速度快。人类的体型呈扁柱状,直立行走,在前进方向上阻力最大,运动时消耗的能量也最多,速度慢。因此,人类感到自己不如鱼类。
Fish body size Most of the fish are spindle type, flat side, flat, cylindrical, etc., this body shape, making the fish in the forward direction of the least resistance, energy consumption during exercise is also the least, the speed fast. Human body was flat columnar shape, standing upright, the greatest resistance in the forward direction, the most energy consumed during exercise, slow. Therefore, human beings feel inferior to fish.