微扰论

perturbation theory

surname Wei / ancient Chinese state near present day Chongqing / Taiwan pr. [Wei2]

tiny / miniature / slightly / profound / abtruse / to decline / one millionth part of / micro- / Taiwan pr. [wei2]

infinitesimal disturbance / perturbation (physics)

to disturb

abbr. for 論語|论语[Lun2 yu3], The Analects (of Confucius)

opinion / view / theory / doctrine / to discuss / to talk about / to regard / to consider / per / by the (kilometer, hour etc)