他的头发是淡褐色的.His hair was light brown.她有一双淡褐色的眼睛.She has hazel eyes.火焰燃起时，犹如几条红色条纹映衬在淡褐色的墙上。The flames begin as a few streaks of red against the pale brown of the walls....
Flotation is used for Florida and Kola rock.浮选操作法用于佛罗里达磷矿和科拉磷矿.Flotation is a process for separating low density solids or liquid particles from a liquid phase.浮选是从液体中分离出低密度固体物或液态颗粒.Expounds liquid level control system o...
他在逆境中表现出了勇气。He showed courage in adversity.面对逆境的勇气courage in the face of adversity面对逆境她从未想过放弃.When faced with adversity she was never tempted to give up....
Lustre is the integral effect of reflection and diffraction.色泽是反射和衍射的综合效果.This article analyse the physics signification of Fourier transform by Hugens principle and Fraunhofer diffraction.用惠更斯-菲涅耳原理,单缝夫琅和费衍射分析了傅利叶变换的物理意...