Vision contrast sensitivity function was measured before, during and after the breathing of the Q_2-N_2 mixtures by using 6 spatial frequencies, that is, 0.5, 1.1,1.8, 3.7, 9.2, and 29.1 cydes/deg.是什么意思_Vision contrast sensitivity function was measured before, during and after the breathing of the Q_2-N_2 mixtures by using 6 spatial frequencies, that is, 0.5, 1.1,1.8, 3.7, 9.2, and 29.1 cydes/deg.在线翻译_英语_读音_用法_例句