科学家们相信是弱相互作用粒子(WIMPS)构成了暗物质，在地球上进行的深地下实验正试图直接探测到这种粒子。
Deep underground experiments on Earth have attempted to directly detect the weakly interacting particles (WIMPS) that scientists believe constitute dark matter.
科学早就通过测量、观察和实验告诉我们宇宙中有四种力：电磁力、强相互作用力、弱相互作用力和万有引力。
Science has shown us through measurement, observation and experimentation that there are four forces in the Universe: electromagnetism, strong interaction, weak interaction and gravitation.
幻灯片出现：在1957年，我们中有人提出一个还算完整的弱相互作用理论，但是却与7个实验事实矛盾。
Slide - "in 1957 some of us put forward a partially complete theory of the weak force, in disagreement with the results of seven experiments."
幻灯片出现：在1957年，我们中有人提出一个还算完整的弱相互作用理论，但是却与7个实验事实矛盾。
Slide - "in 1957 some of us put forward a partially complete theory of the weak force, in disagreement with the results of seven experiments."
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