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汉语拼音：wú qióng dà

一个变量在变化过程中，绝对值永远大于任意大的已定正数，这个变量叫做无穷大，用符号∞表示。如2n，在n取值1，2，3，4…的变化过程中就是无穷大。

1. 亦称“ 无限大 ”。数学名词。谓一个变量在变化过程中，其绝对值永远大于任意大的已定正数。一般用符号∞来表示。

• It is impossible to count up to infinity.

  不可能数到无穷大.

• These permutations multiply towards infinity.

  这些排列可以增加到无穷大。

• The wave has neither discontinuities nor regions of infinite probability.

  波既不能有不连续处,又不能有几率为无穷大的区域.

• Mathematicians can imagine more than one kind of infinite number.

  数学家们能想象出不止一种无穷大的数.

• The specific discharge at such a point is infinite.

  此种点上的比流量为无穷大.

• These suitable values will be zero or infinity.

  这些适当的数值可以是零,也可以是无穷大.

• In a way infinity is easier to imagine than some of the very big numbers.

  在某种程度上说,无穷大比有些巨大的数字更容易想象些.

• No region of a positive, finite volume of matter goes into zero or infinite volume.

  物质的任何一部分正的 、 有限的体积都不会变成零或无穷大.

• The specific discharge is infinite at the vicinity of every point source or sink.

  在每个点源或点汇附近比流量为无穷大.

• Why would the Ancients use the earth symbol for infinity, to hide a treasure?

  为什么古人会用地球的无穷大符号来隐藏宝藏?

• Inductance - capacitance circuit having infinite reactance, zero susceptance at resonance.

  谐振时阻抗无穷大, 电纳为零的电感-电容电路.

• 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.

• Very, very big, or very, very many does not mean infinite.

  非常非常大, 非常非常多并不意味着“无穷大”.

• At last , step - by - step simulations on one - machineinfinite - bus prove their validity.

  论文通过对 单机 无穷大系统的时域仿真,验证了理论分析的正确性.

• Inductance - capacitance circuit having zero reactance , infinite susceptance at resonance.

  谐振时电阻为零,电纳无穷大的电感-电容电路.