These reports document violations by Congolese security forces and various armed groups that occurred during a spike in fighting in North Kivu in October and November,2008.

VOA: standard.2009.09.12

Anyway, what physicists do is they put bodies in various circumstances and they deduce various forces.

总之,物理学家的工作就是,将物体置于不同的环境中,得到不同的力

耶鲁公开课 - 基础物理课程节选

And there are various forces that play in the nucleus that will dictate when this will be stable and when it won't be.They isolated it, but it decays very quickly on the order of microseconds Lifetime on the order of microseconds.

在原子核中有很多种力,都会产生作用，当条件是稳定的,还有当它不是的时候，它们提取出来，但是它会以微秒的速度衰变,生命只有几微秒长。

麻省理工公开课 - 固态化学导论课程节选

People regarded the various natural forces as imbued with divine power, as in some sense divinities themselves.

古人们把各种自然力量,都赋予了神的色彩，有时，对自己的认识也如此。

耶鲁公开课 - 旧约导论课程节选