Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob.
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 that can be turned up or down to change its strength.
四种基本力(重力,电磁力,强作用力和弱作用力)都有一个理论把手,调节这东西可以改变力的强度。
By calling them “weakly interacting”, physicists mean that the particles experience another of the four fundamental forces, namely, the weak nuclear force that is responsible for radioactive decay.
之所以称其为“弱作用”,是为了指出粒子受到四大基本力中的另一种——由放射性衰变所产生的弱核力(四大基本力是:引力、电磁力、强力、弱力)。
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