弱核力 weak nuclear force 造成放射性原子核或自由中子衰变的短程力，作用于所有物质粒子，而不作用于携带力的粒子。
... nuclear weak force 弱核力 ; 弱相互作用 a nuclear deterrent force 一支核威慑力量 nuclear driving force 形核驱动力 ...
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四种基本力（万有引力、电磁力、强核力和弱核力）中的每一种都有一个理论上的旋钮。
Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob.
只有重力和一种可以支配某些放射性衰变的弱核力能够使其聚集凝固，“弱反应”这一术语由此得名。
Only gravity and a phenomenon called the weak nuclear force, which governs some types of radioactive decay, can bind them—hence the term “weakly interacting”.
和宇宙中的其他三种力(电磁力、弱核力、强核力)相比，重力就微弱得多了，所以引力波很难被观测。
Compared with the other three forces in the universe (electromagnetism, the weak nuclear force and the strong nuclear force), gravity is relatively feeble, making gravitational waves hard to detect.
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