- 弱相互作用 ruòxiānghùzuòyòng weak interactionone of the four fundamental forces of nature, responsible for particle decay and neutrino interactions
- 强相互作用 qiángxiānghùzuòyòng strong interactionone of the four fundamental forces of nature that acts between subatomic particles of matter, holding the atomic nucleus together
- 核相互作用 héxiānghùzuòyòng nuclear interaction
- 电磁相互作用 diàncíxiānghùzuòyòng electromagnetic interactionThe fundamental physical interaction between electrically charged particles mediated by electromagnetic fields.