| 释义 |
多环多环[duō huán]1.■multiple ring[loop]; polycyclic
常用词组1.■多环饱和烃 {化} polycyclic saturated hydrocarbon;2.■多环阀 multiple ring valve;3.■多环反馈放大器 multiple loop feedback amplifier;4.■多环芳香烃 polycyclic aromatic hydrocarbons (PAH);5.■多环构造 {天} multiring structure;6.■多环化合物 polycyclic compound |