| 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。 |
| 6. | Total eclipse ends : instant of last internal tangency of the moon with the umbra
生光：月球在地球本影内移动，并与地球本影第二次内切。 |
| 7. | Moon enters umbra : instant of first external tangency of moon with the umbra
初亏：月球由东缘慢慢进入地影，月球与地球本影第一次外切。 |
| 8. | Lots of useful data on tangency ratio of joints in several normal conditions can also be found in this paper
通过实验手段给出了几种工程实际条件下的结合面的相对接触比。 |
| 9. | It is in this point of tangency that this paper treats the development of mmep from one brand - new visual angle
本文正是抓住这一切入点，以一个全新的视角来看待电力多种经营企业的发展。 |
| 10. | Tangency is controlled by the first two control points from a surface boundary , assuming that these points lie in one line
相切是由曲面边界的最初两个控制点控制的（假设这些点在一条线上） 。 |
