The fitness lawof specificity states that the fitness improvements we garner are specific to the type of exercise (as well as the intensity and duration) we do.
健身法的特性在于我们取得的健身的改善成果取决于我们健身训练的类型、强度和持续时间。
2
Hydraulic jack (other name: the hydraulic jack) the use liquid intensityof pressure transmission machinery which makes using the Pascal's law, the type hydraulic jack are many.
液压千斤顶(又名：油压千斤顶)利用帕斯卡定律制成的利用液体压强传动的机械，种类液压千斤顶很多。
3
The magnetic induction intensity at the center of elliptic current ring is derived based on the Biot-Savart law and elliptic parameter equation intensity.