早在十九世纪八十年代，美国公司就对涡轮放大器进行实验。默瑟提到，欧洲也在此项科技上花费了不少功夫。
US companies experimented with turbo expanders in the 1980s and Mercer said a handful of similar efforts have already been set up in Europe.
第十九条应用实验动物应当根据不同的实验目的，选用相应的合格实验动物。
Article 19 in the utilization of experimental animals, only the related ones that are up to standard shall be selected in accordance with the different purposes of the respective experiments.
武汉队的阵容颇为强大，重点中学的不少，武昌实验中学、一中、二中、十一中、四十九中、武汉中学。
The battle array of Wuhan team is rather strong, there is many the key middle school, in the experimental middle school of Wuchang, one, of two, of 11, of 49, middle school of Wuhan.
1976年的冬天，当时我十九岁，在休斯敦太空总署的太空梭实验室里工作，同时也在总署旁边的休斯敦大学主修计算机。
In the winter of 1976, I was 19 years old, working in the shutter laboratory of space shuttle in NASA while majoring in computer in huston university nearby.
第二十九条从事实验动物工作的人员对实验动物必须爱护，不得戏弄或虐待。
Article 29 Personnel dealing with experimental animals shall protect these animals and may not play with or maltreat them.
文中运用该方法对十个不同平面形状的机翼进行了二十九种状态的颤振计算，并和风洞颤振实验结果作了比较。
This method was applied to flutter calculations of 29 cases for wings with 10 different types of plan forms.
文中运用该方法对十个不同平面形状的机翼进行了二十九种状态的颤振计算，并和风洞颤振实验结果作了比较。
This method was applied to flutter calculations of 29 cases for wings with 10 different types of plan forms.
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