1矮米特博士2001年毕业于哈佛大学Dr. Emmet graduated from Harvard University in 20012李教授1988年在西安理工大学获得机械工程博士学位Professor Li earned his Ph.D. degree in mechanical engineering from the Xian University of Technology in 1988.3现在我们转向讨论一下局与网Now we shall turn to the discussion of local area networks.4 BAINBRIDGE质谱仪是与光谱仪一样重要的仪器The Bainbridge mass spectrometer is as important an instrument as the optical spectrometer.5做这个实验需要多长时间How long a time 或How much time is required to this experiment?6压力的增加总
