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汉语拼音：wú qióng xiǎo

一个变量在变化过程中，绝对值永远小于任意小的已定正数，即以零为极限的变量，叫做无穷小。如，在n取值1，2，3，4…的变化过程中就是无穷小。

1. 亦称“ 无限小 ”。数学名词。谓一个变量在变化过程中，其绝对值永远小于任意小的已定正数，即以零为极限的变量。

• 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.

• Theorem 1 and are equivalent infinitesimals if and only if.

  定理1与是等阶无穷小的充分必要条件为.

• Week 2 Limit of number sequence. Limit of function. infinity and infinitesimal.

  第2周数列的极限. 函数的极限. 无穷小与无穷大.

• 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.

• The distinguish condition and algorithm procedure for first - order infinitesimal mechanisms are introduced.

  论述了一阶无穷小位移机构,即可刚化机构的判定条件及计算方法.

• Week 3 Limit algorithm. two important limits and comparison of infinitesimal.

  第3周极限运算法则. 两个重要极限.无穷小的比较.

• We find optimal stopping rules by using the weak infinitesimal generator of markov process.

  利用弱无穷小算子,我们找出了最优停时规则.

• 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.

• In this paper, the application of equivalent infinitesimal substitutionon method to limit operation is discussed.

  讨论了等价无穷小代换在极限运算中的应用.

• 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.

• Things can be divided and broken down into indefinitely small parts if we can.

  如果我们能够做到的话,物质可以被分割或分解成无穷小的部分.

• They capture small - scale behavior, just like infinitesimals, but use the ordinary real number system.

  他们捕获的小规模的行为, 就像无穷小, 但使用普通的实数系统.

• Theorem 2 The product of bounded function and an infinitesimal is an infinitesimal.

  定理2有界函数与无穷小的乘积是无穷小.

• 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.