And when you do exercise, work to keep your heartrate above its baseline level for a minimum of 20 continuous minutes.
在做运动的时候,要努力保持至少20分钟的持续运动时间让心率高于基本水平。
2
The effective stress of specimen is inhomogeneous. As the strain rate increases, the minimum stress value moves from the drum-shaped region to the heart of specimen.