But these examples only partially cover the many partial rep variations that exist.

但是这些只是部分半程动作出现的例子。

In the study, the researchers compared two partial rep variations of the preacher curl and measured their effects on muscle and strength.

在这项研究中，研究人员比较了两种半程动作的变形，并测量了它们对肌肉和力量的影响。