Grave fears are felt for the safety of the missing airman.对失踪飞行员的安全甚为担忧....an English airman.英国飞行员We worry about the safety of the missing airman.我们对失踪飞行员的安全甚为担忧.The airman boldly jumped from the airplane with his parach...
This paper dissects the process to analyse arsenic in test method and operative skills.本文从实验方法、操作技巧等方面剖析了砷测定方法的机理.This paper dissects the above - mentioned factors, and proposes the corrected Stokes formula and its appli...