【计】 二次方程
在线英汉词典
quadratic equation的短语、例句：
quadratic equation (algebra 代数) equation that uses the square (and no higher power) of an unknown quantity, egx2 + 2x 8 = 0 二次方程式（如x2 + 2x 8 = 0）.

标签：quadratic equation,用法,音标,短语