他的文风清秀,笔致流畅.His writing style is clear , elegant and smooth.全书以轻松的笔致, 写出读者感兴趣的有关旅游的知识.且较强可读性.Light - hearted and readable , book is about tourism knowledge which the readers are interested in....
Through a great deal of effort, this problem has been solved recently by linearization techniques.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.The linearization ofnonlinear system with measurable disturbances is studied.研究了一类具有可测干扰的非线性系统...
Massage is used to relax muscles, relieve stress and improve the circulation.按摩可以使肌肉放松，缓解压力和促进血液循环。Relax as much as possible and keep breathing steadily.尽量放松，保持平稳呼吸。Relax, smile; loosen up in mind and body and behaviour....