v.倒退，逆行，退化( retrogress的现在分词 )

retrogressing wave → 反向波

retrogressing winding → 倒退绕组

1.In its absence China would retrogress into division and chaos, and modernization would become impossible.

[汉]动摇了中国就要倒退到分裂和混乱，就不可能实现现代化。