他生病的这些年来，我妈妈一直照料着他。All the years he was sick my mother had nursed him.在他们生病的时候她飞奔至他们身边。She flew to their bedsides when they were ill.员工的定期缴款用来支付生病的花费，包括长期病残的开销。The contributions employees pay give cover against sickness,...
He topped off his career with an Olympic gold medal.他以一块奥运金牌为自己的职业生涯画上了圆满的句号。High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.There were more e...
通过大量的努力, 最近人们利用线性化方法解决了这个问题.Through a great deal of effort, this problem has been solved recently by linearization techniques.利用两点线性化原理,实现了系统的标定.The auto calibration was realized by the linear principle.研究了一类具有可测干扰的非线性系统...