The programmer forms the heart of the process chromatograph.程序控制器是色谱仪的关键部件.The technique is known as adsorption chromatograph.这种分析技术称为吸附色谱.Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph.B是气...
There have been riots before and the situation is volatile.以前曾发生过暴乱，现在局势不太稳定。Armed soldiers guard the streets in this volatile atmosphere.目前局势动荡不定，有武装士兵在街道上警戒。First McNeil had to cool down the volatile Australian 20-year...