double orthogonal system

• 二重正交系

double orthogonal system的用法和样例：

例句

1. Correspondingly, the renormalization group solutions of stock system evolutional equation are solved from the angel of time and increasing rate.
   根据所得演化函数分别从时间和增长率两个方面求出了股市系统演化方程的重正化群解。