the visual property of being without chromatic color
Gastric juice is a kind of acidic achromaticity fluid.It is very important for food transportation. 胃液是一种无色而呈酸性反应的液体，它对食物的输送具有重要的影响。
The influence of input beam size on the maximum intensity in the focus of singlet lens and achromat was compared. 比较了消色差透镜及单透镜中脉冲初始光腰尺寸对聚焦的影响.
Ethephon aqua (40%): Appeared in liquid state, in achromaticity or light brown, soluble in water, directly usable after solution in water. D 40%25乙烯利水剂：外观为无色至浅棕色液体，溶于水，用水稀释后直接使用。
Objective To assess the integrity of cerebral artery with aneurysm by detecting red blood cells (RBC) concentration in the achromaticity transparency cerebrospinal fluid (CSF). 摘要目的通过检测脑脊液中红细胞浓度变化，预判颅内载瘤动脉血管的完整性。