攝動

摄动
shèdòng
  1. (astronomy, physics, of orbital motion under gravitation) perturbation
  2. perturbation

Wiktionary

Entry Composition

1 攝 shè
  1. (bound form) to take in; to absorb; to assimilate
  2. to capture (video or still images)
  3. (literary) to conserve (one's health)
  4. (literary) to act for
2 動 dòng
  1. (of sth) to move
  2. to set in movement
  3. to displace
  4. to touch
  5. to make use of
  6. to stir (emotions)
  7. to alter
  8. abbr. for 動詞 dòngcí, verb