tangent adj. 1.接触的。 2.【数学】切线的,相切的;正切的。 3.离题的。 n. 【数学】切线;切面;正切(线);正切尺,瞄准表尺;〔美口〕(铁路的)直线区间。 tangent elevation 瞄准角。 a tangent scale [sight] 正切尺,瞄准表尺。 fly [go] off at [in, on, upon] a tangent (思想)忽然转变;突然越出本题;突然改变话题[做法]。 fly off at a tangent into outside matters 突然离开本题说些不相干的题外话。
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。
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。
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。
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。
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。
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) 。
(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,
the state of being tangent; having contact at a single point or along a line without crossing