tangent adj. 1.接觸的。 2.【數(shù)學(xué)】切線的,相切的;正切的。 3.離題的。 n. 【數(shù)學(xué)】切線;切面;正切(線);正切尺,瞄準(zhǔn)表尺;〔美口〕(鐵路的)直線區(qū)間。 tangent elevation 瞄準(zhǔn)角。 a tangent scale [sight] 正切尺,瞄準(zhǔn)表尺。 fly [go] off at [in, on, upon] a tangent (思想)忽然轉(zhuǎn)變;突然越出本題;突然改變話題[做法]。 fly off at a tangent into outside matters 突然離開本題說些不相干的題外話。
Tooth surface knocked burr or point corrosion on tooth surface or not in tangency 輪面磕碰,有毛刺或面發(fā)生點(diǎn)蝕或接觸不良
Total eclipse begins : instant of first internal tangency of moon with the umbra 食既:月球進(jìn)入地球本影,并與本影第一次內(nèi)切。
Moon leaves umbra : instant of last external tangency of the moon with the umbra 復(fù)圓:月球逐漸離開地球本影,與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:月球剛剛和半影接觸,這時(shí)肉眼覺察不到。
Moon leaves penumbra : instant of last external tangency of the moon with the penumbra 半影食終:月球離開半影,整個(gè)月食過程正式完結(jié)。
Total eclipse ends : instant of last internal tangency of the moon with the umbra 生光:月球在地球本影內(nèi)移動(dòng),并與地球本影第二次內(nèi)切。
Moon enters umbra : instant of first external tangency of moon with the umbra 初虧:月球由東緣慢慢進(jìn)入地影,月球與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 通過實(shí)驗(yàn)手段給出了幾種工程實(shí)際條件下的結(jié)合面的相對接觸比。
It is in this point of tangency that this paper treats the development of mmep from one brand - new visual angle 本文正是抓住這一切入點(diǎn),以一個(gè)全新的視角來看待電力多種經(jīng)營企業(yè)的發(fā)展。
Tangency is controlled by the first two control points from a surface boundary , assuming that these points lie in one line 相切是由曲面邊界的最初兩個(gè)控制點(diǎn)控制的(假設(shè)這些點(diǎn)在一條線上) 。
(electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts" 同義詞:contact,
the state of being tangent; having contact at a single point or along a line without crossing