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- A systematic study of hexafluoroacetone hydrate has been carried out by introducing gas chromatograph, mass spectroscopy and nuclear magnetic resonance spectroscopy. 本文采用了气相色谱、色质联用及核磁共振法等分析方法对六氟丙酮水合物进行系统的研究。
- He introduced a motion to the Congress. 他向国会提交了一份议案。
- He introduced me to his housekeeper. 他把我介绍给他的女管家。
- She introduced me to her friend. 她把我介绍给她的朋友。
- Mountaineering was introduced here in1955. 登山运动是1955年在这里开始开展的。
- The government has introduced a wage freeze. 政府已宣布要冻结工资。
- The next programme is introduced by Mary Davidson. 下一个节目由玛丽·戴维森主持。
- He introduced himself to the people in the room. 他向房间里的人作了自我介绍。
- A new training method was introduced. 引进了一种新的训练方法。
- I introduced them and they hit it off straight away. 我介绍他们认识,他们一见面就合得来。
- He introduced his speech with an anecdote. 他说了一则轶闻作为演讲的引子。
- The Head Master introduced many new ideas into the school. 校长把许多新思想引进这个学校。
- He introduced to us the symmetrical arrangement of the garden. 他为我们介绍了花园中对称的布局。
- My new neighbor, whom I introduced to you the other day, had a heart attack last night. 日前我介绍你认识的我那位新邻居昨晚心脏病发作。
- The development of non-azide gas generant is introduced. 介绍了国内外非叠氮燃气发生剂的研制进展。
- Several flue gas desulphurization technologies are introduced. 介绍几种典型的烟气脱硫工艺。
- Rent controls were introduced to prevent profiteering. 为了防止牟取暴利而 实行了租金管制。
- A young fop minced up to George and introduced himself. 一个花花公子扭扭捏捏地走到乔治面前并作了自我介绍。
- The government introduced universal secondary education years ago. 几年前,政府就倡导普及中等教育。
- a lightweight material in cellular form; made by introducing gas bubbles during manufacture. 一种轻质的多孔材料,制造过程中加入了气泡。