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

• I think the chance of that is really almost infinitesimal.
  我认为，这种可能性真的几乎是微乎其微。
• By means of energy method and minimum potential energy principle of elasticity, the elasticity theory analysis of infinitesimal deformation was performed for the concrete filled steel tube ( CFST).
  应用弹性力学中的能量法和最小势能原理，对钢管混凝土进行了小变形下的弹性理论分析。
• Infinitesimal is involved in a wide range, which has a lot of very good characters.
  无穷小涉及的范围广泛，有很多很好的性质。
• Getting limit with substitution of equivalence infinitesimal is a common, convenient and efficient way.
  用等价无穷小量替换求极限是一种常用、方便、有效的方法。
• 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。
• In this paper we discuss actions of Lie groupoids and their infinitesimal actions on manifolds.
  讨论了李群胚在流形上的作用及其无穷小作用。
• 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。
• The Closable Linear Operator on Banach Space and the Infinitesimal Generator of a C_0-semigroup of Contractions
  Banach空间中可闭化线性算子与无穷小生成元
• There was an infinitesimal pause.
  其中有一个极短暂的停顿。
• Theorem 2 The product of a bounded function and an infinitesimal is an infinitesimal.
  推论1常数与无穷小的乘积是无穷小。