difference of squares英语标准发音：difference of squares英式发音：美式发音：翻译中文平方差difference of squares - 基本释义[词典1]平方差difference of squares - WEB词典difference of Squares平方差Difference of Two Squares平方差公式 参考资料： 1.百度翻译：difference of squares2.有道词典：difference of squares3.爱词霸：difference of squares
