They are going to accompany particles surely as every quadratic equation has two solutions.
他们是成对的粒子,正如每个二次方程都有两个根一样
耶鲁公开课 - 基础物理课程节选
Looking for the root of this equation.
也就是求这个方程式的根。
麻省理工公开课 - 计算机科学及编程导论课程节选
应用推荐
模块上移
模块下移
不移动