对于学校松弛的纪律她感到震惊.She was shocked at the slack discipline in the school.每天只锻炼20分钟，即使最松弛的臀部也会变挺翘。Exercise for just 20 minutes a day to firm up even the saggiest bottom.松弛的线容易纠缠在一起.Loose string is easily entangled....
Arithmetic for solving oil film force and its Jacobi matrix simultaneously are also presented. 3.并给出了同时求得油膜力及其Jacobi矩阵的算法.Jacobi method and use a similar matrix of angular, high - equation solution to avoid problems.并且利用...