n. 弹回, 反响, 反射

[医] 消退[法], 消肿[法], 浮动诊胎法

Repercussion \Re`per*cus"sion\ (-k?sh"?n), n. [L. repercussio:
cf. F. r['e]percussion.]
1. The act of driving back, or the state of being driven
back; reflection; reverberation; as, the repercussion of
sound.

Ever echoing back in endless repercussion. --Hare.

2. (Mus.) Rapid reiteration of the same sound.

3. (Med.) The subsidence of a tumor or eruption by the action
of a repellent. --Dunglison.

4. (Obstetrics) In a vaginal examination, the act of
imparting through the uterine wall with the finger a shock
to the fetus, so that it bounds upward, and falls back
again against the examining finger.