tangency meaning in English
n.
接触。
Examples
- Tooth surface knocked burr or point corrosion on tooth surface or not in tangency
轮面磕碰，有毛刺或面发生点蚀或接触不良 - Total eclipse begins : instant of first internal tangency of moon with the umbra
食既：月球进入地球本影，并与本影第一次内切。 - Moon leaves umbra : instant of last external tangency of the moon with the umbra
复圆：月球逐渐离开地球本影，与地球本影第二次外切。 - Moon enters penumbra : instant of first external tangency of moon with the penumbra
半影食始：月球刚刚和半影接触，这时肉眼觉察不到。 - Moon leaves penumbra : instant of last external tangency of the moon with the penumbra
半影食终：月球离开半影，整个月食过程正式完结。