【简答题】翻译 We all live in the past. We take a minute to know someone, one hour to like someone, and one day to love someone, but the whole life to forgetsomeone.
【多选题】We all live in the past. We take a minute to know someone, one hour to like someone, and one day to love someone, but the whole life to forget someone.(《廊桥遗梦》)
【判断题】虚功原理的方程中包含约束力,因此虚功原理可以直接用于求解约束力。
【判断题】虚功原理的方程中包含约束力,因此虚功原理可以用于求解约束力。