Terms containing perturbation theory

Subject	English	Japanese
phys.	general theory of perturbation	一般摂動論 (いっぱん・せつどうろん)
phys.	n perturbation theory	摂動論 (setsudōron)
phys.	special theory of perturbation	特殊摂動論 (とくしゅ・せつどうろん)