单词	exa-
释义	Exa- A prefix meaning one quintillion (1,000,000,000,000,000,000 or 1018) The same as multiplying by 1018 Example: our Milky Way Galaxy is about an exameter wide Symbol is E Example: 12 Em = 12 exameters = 12 quintillion meters (12,000,000,000,000,000,000 m)
随便看	multiplicative inverse multiplier multiply mutually exclusive events mutually prime nano- natural logarithm natural number nautical mile negative net net income net weight net worth nominal number nonagon nonary nonlinear equation normal normal distribution normal number not equal notation nought number

数学辞典收录了1200条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。