Bone mass of the total body were measured using dual energy X-ray absorptiometry (DEXA).
采用双能量X线骨密度测量仪(DEXA)测量全身骨量及体脂百分比。
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The total kinetic energy of a Body or system is equal to the sum of the kinetic energies resulting from each type of motion. The kinetic energy of an object depends on its mass and velocity.