The law of action and reaction is universal.

作用和反作用的定律是通用的。

youdao

The law of action and reaction is not exclusively for physics.

动作和反应的定律并不专限于物理的范畴内。

youdao

Objective to probe into the law of action of acupuncture on female reproductive endocrine system.

目的：探讨针刺对女性生殖内分泌影响的作用规律。

youdao

She may also face opposition for an action she took while dean of Harvard Law School.

VOA: special.2010.05.15

So this could be summarized as the law of effect, which is a tendency to perform an action's increased if rewarded, weakened if it's not.

这种行为上的变化被称之为效果律，也就是说，行为倾向随奖励而增加，随惩罚而减少。

耶鲁公开课 - 心理学导论课程节选

If it can be established that Madni was in Diego Garcia, that would be a breach of European law and as Algar says, that would mean action against the government of Tony Blair and other parties could be mounted.

VOA: standard.2009.07.28

In addition, the theory of homeopathy actually defies conventional scientific understanding--in particular, the law of mass action, which demands that the rates of chemical reactions be proportional to the concentrations of substances involved.

FORBES: Homeopathic Medicine Is Homeo-Pathetic

The current series of Law in Action is on air from Tuesday 8th June 2010 to Tuesday 29th June 2010.

BBC: About Law in Action

This is the law of unintended consequences in action.

FORBES: Papa John's, Applebee's And Others Pay Huge Price For Anti-Obamacare Politicking