Erosive esophagitis and hiatal hernia were identified in 18 and 70 patients, respectively.腐蚀性食管炎以及食管裂孔疝分别为18和70例.The occurrence of peptic ulcer in some pa - tients with hiatal hernia may necessitate considerationof both ...
要求忠诚意味着你想发展一段严肃认真的恋爱关系。Wanting fidelity implies you're thinking about a major relationship.这本书的笔调有些时候太不严肃了。The tone of the book is sometimes too flip.“那件衣服很好看，”迈克尔说。“谢谢，”她严肃地回答。"That's a nice dress," said Micha...
A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线.The President's tactics could backfire...总统的策略可能会适得其反。A victory for Mr Bush and the internationalists could e...
在20世纪20年代, 朗缪尔 、 汤克斯及其共事者最先从事有关等离子体的研究.The earliest work with plasmas was that of Langmuir, Tonks, and their collaborators in the 1920's.问问自己, 你是个有趣的共事者 吗 ?Ask yourself, are you fun to work with?...