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 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
• 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
• 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。
• In this paper, we study theoretically infinitesimal element method for calculation of stress birefringence in polarization maintaining fibers.
  本文研究了计算保偏光纤中应力双折射特性的微元算法，对其计算值进行了理论验证。
• 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。
• 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。
• 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。
• 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。
• 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。