单词	giga-
释义	Giga- A prefix meaning one billion (1,000,000,000 or 109) Examples: • a gigagram is a billion grams • a gigabyte is a billion bytes • a gigameter is a billion meters (one million km), which is a little less then the diameter of the Sun. Symbol is G Example: 12 Gm = 12 gigameters = 12 billion meters (12,000,000,000 m)
随便看	opaque open curve open interval open sentence operation operator opportunity cost opposite numbers opposite side or order of magnitude order of operations ordered pair ordering ordinal number ordinary differential equation ordinate origin origin symmetry orthocenter orthogonal oscillating series ounce outcome outlier

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。