A home-made twin-jet electropolishing device for preparing transmission electron microscope(TEM)samples is reported.
为克服现有的透射电镜试样双喷电解减薄仪的缺点，自制了双喷电解减薄装置。
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When thatfailed, the Federal Aviation Administration began to considerhaving military jets scrambled to intercept the twin-jet AirbusA320, these officials said.
China has already made rapid advances in military jet aircraft and its H-6 large twin-engine bomber, modelled on the Russian Tu-104, can be converted quite easily into a commercial aircraft.