That work became an important piece of evidence that dark energy — the mysterious force propelling the acceleration of the universe outward — actually exists.

这项工作成了暗能量（这是推动宇宙向外加速的神秘力量）确实存在的一个重要证据。

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Attach a sharp stone to the end of astout piece of wood, and with this lever you can hugely increase thespeed, force, effectiveness and safety with which the axe can bewielded.

将一块带有尖刃的石器和一根强壮的树枝接在一起，利用这根长矛人类可以极大地提高速度、力度、效率和安全性。

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In March of that year James Clerk Maxwell, a Scottish physicist (pictured above), published the first piece of a four-part paper entitled "On physical lines of force".

在那一年的三月，詹姆斯·克拉克·麦克斯韦，一个苏格兰物理学家(见上图)，发表了题为《论物理的力线》论文四个部分中的第一个部分。

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It has the penetrative force of a piece of heavy industrial equipment, something with a diamond bit or tempered-steel blades.

NEWYORKER: Magda Mandela

The first piece of satire profiled an Air Force officer who was so sick of being teased about serving in the "Chair Force" that he banned all chairs from his military base.

WSJ: Prank and File: These Military Reports Are Out of Line

Thinking about putting an isolated innovation ingredient into an organization and expecting that to make a difference is simply taking a piece of the innovation paradigm model and force feeding it into the organizational paradigm model.

FORBES: Who Will Be The Next Iron Chef Of Innovation?