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

• 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。
• 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。
• 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。
• 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
• That great, infinitesimal question-I can't shake it out of my thoughts.
  那伟大的浩瀚无涯的问题我是无法赶出脑袋了。
• They cannot collapse to an infinitesimal point, so they avoid the paradoxes that collapse entails.
  它们不会塌缩成一个无限小的点，因此它们得以避免塌缩所带来的后遗症。
• 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。
• 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。
• 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