The specialstrength training of athletes in water is a topic pit in the present world.
游泳运动员水中专项力量训练，是当今世界泳坛探索的一个课题。
2
It is the key point to strengthen plyometric contraction and concentric contraction in specialstrength training.
加强膝关节快速用力条件下的退让式收缩能力和克制性收缩力量是专项力量训练的重点。
3
Humanity owes its dominant position on Earth not to any specialstrength of our muscles, nor any unusual sharpness of our teeth, but to the unique ingenuity of our brains.