| 释义 |
无穷大wúqióngdà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2,在n取值1,2,3,4…的变化过程中就是无穷大。{infinitely great; infinity; variable, the absolute value of which is always larger than an arbitrarily large positive number in the process of varying, called infinitely great, expressed by the symbol ∞. For example, 2 is infinitely great in the process of varying when n is 1, 2, 3, 4 ...;}也叫also无限大{wúxiàndà}。 |