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

• 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 author makes an initial discussion on how to clarify the origin and theoretical basis of infinitesimal method during the teaching of this very method in the application of definite integral.
  针对在定积分应用的微元法教学过程中，就如何阐明微元法的来源、理论依据以及在实际应用中需注意的问题等进行初步的探讨。
• 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。
• If there is any salt in this soup, it must be infinitesimal. I can't taste it.
  如果汤里有盐的话，也一定很少，我吃不出味道来。
• 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
• 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。
• Just an infinitesimal dose in the food supply, they said.
  他们说只会在食品中投放极小的剂量。
• Theorem 1 The sum of finite number of infinitesimal is an infinitesimal.
  定理1有限个无穷小的和也是无穷小。
• Infinitesimal strains cannot yet be recorded.
  我们还不能将这些极小量的应变记录下来。
• The uncertainty of these parameters will lead to the uncertainty of equivalent infinitesimal generator and also the performance function.
  这些参数的不确定性不仅导致等价无穷小生成子的不确定性，也导致性能函数的不确定性。