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

• 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。
• 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。
• 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。
• 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。
• The inequality is used widely in functional analysis, matrix theory, it is proved again from infinitesimal calculus.
  此不等式在泛函分析、矩阵理论方面有着广泛的应用，从微积分学角度出发再给予证明。
• 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。
• 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 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。
• 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。
• There was an infinitesimal pause.
  其中有一个极短暂的停顿。