tangency中文什么意思

n.
接触。

• point of tangency:    切点
• self tangency:    自切
• tangency controlled:    相切控制

例句与用法

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1. 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
2. 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。
3. 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。
4. 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。
5. 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。

英文释义

名词

1. (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"
   同义词：contact
2. the state of being tangent; having contact at a single point or along a line without crossing