xiāng hù guān xì
mutual relations
common interest
xiāng hù zuò yòng
to interact
interaction
interplay
ruò xiāng hù zuò yòng
weak interaction (in particle physics)
weak force
qiáng xiāng hù zuò yòng
strong interaction (in particle physics)
strong force
diàn cí xiāng hù zuò yòng
electromagnetic interaction (between particles)
electromagnetic force (physics)
Xiāng hù Bǎo zhèng Huǐ miè
Mutual Assured Destruction