infinitesimal

英 [ˌɪnfɪnɪˈtesɪml]

美 [ˌɪnfɪnɪˈtesɪml]

adj.  极小的; 微量的
n.  无限小; 极微量; 极小量

GRE

BNC.24834 / COCA.23099

牛津词典

adj.

• 极小的；微量的
  extremely small
  1. infinitesimal traces of poison
     微量毒素
  2. an infinitesimal risk
     微乎其微的风险

柯林斯词典

• ADJ 极微小的;微不足道的
  Something that isinfinitesimalis extremely small.
  1. ...mineral substances present in infinitesimal amounts in the soil...
     土壤含有的极微量的矿物质
  2. There was an infinitesimal pause.
     其中有一个极短暂的停顿。

英英释义

noun

• (mathematics) a variable that has zero as its limit

adj

• infinitely or immeasurably small
  1. two minute whiplike threads of protoplasm
  2. reduced to a microscopic scale
  Synonym:minute

双语例句

• This paper introduces how to make use of the replacement of same value infinitesimal in calculating limit of the undecided type.
  本文介绍了如何利用无穷小等价代换求未定式的极限，使计算简单化。
• This paper discusses the unified symmetry of a holonomic mechanical system in terms of quasi-coordinates under special infinitesimal transformations in which time is not varied.
  研究准坐标下完整力学系统在时间不变的无限小变换下的统一对称性。
• Corollary 1 The product of a constant and an infinitesimal is an infinitesimal.
  推论2有限个无穷小的乘积是无穷小。
• The result is generalized to power exponential function, and the condition is given in which the items in sum or difference can be replaced by equivalent infinitesimal.
  将求极限时无穷小的因子可用其等价无穷小代替的结论推广到幂指函数的情形，给出了“和或差中的项”可用等价无穷小代替的条件。
• There was an infinitesimal pause.
  其中有一个极短暂的停顿。
• Based on the theory of porous media and under the condition of infinitesimal deflection, the governing differential equations for an incompressible saturated poroelastic beam were presented.
  在杆件弯曲小变形的假定下，考虑杆件的侧向变形因素，根据多孔介质理论，本文首先建立了不可压饱和多孔弹性梁弯曲变形时动力响应的控制方程。
• The body's annual intake of metallic iron is infinitesimal.
  人体对金属铁的年摄入量是微不足道的。
• When you gallop about between the world of that a moment, would discover own infinitesimal and weak.
  当你驰骋在天地之间的那一刻，才会发现自己的渺小和脆弱。
• Newton says he has abandoned the infinitesimal or infinitely small quantity.
  牛顿说他已放弃了微元或无穷小量。
• Application of Seeking Functional Limit by Equivalent Infinitesimal Replacement
  浅析等价无穷小替换在求函数极限中的应用