【机】 Landau theory
bright; loud and clear
path; road; doctrine; Tao; say; talk; way; method
【医】 canal; canales; canalis; meatus; passage; path; pathway; tract; tractus
viae
frame of reference; theoretics; theorization; theory
【化】 Rice-Ramsperger-Kassel theoryRRK; theory
【医】 rationale; theory