biquadratic equation的用法和樣例：
例句
- The acquisition of the power of solving a quadratic equation is part of the process of sharpening the mind.
學習解二次方程就是塑造頭腦這個工具的一部分。 - This procedure is used to calculate a quadratic equation of one dollar cottage roots, very useful, and they hope to help you.
這個程序是用來計算一個一元二次方程的平房根的，非常有用，希望對你有幫助。
