1)  ordinary light
常光
2)  exceptional spectrum
异常光谱
1.
Study on the mechanism of exceptional spectrum signal produced by nonmetallic inclusions in steel;
钢中非金属夹杂物异常光谱信号产生机理的研究
3)  extraordinary ray
非常光
1.
Based on MATLAB,this paper explores extraordinary ray's locus and its features in crystal when uniaxial crystal is turning.
基于MATLAB探讨单轴晶体转动时非常光在晶体内的轨迹及其特征,分析单轴晶体转动一周时非常光的轨迹在晶体内转两圈的条件,利用MATLAB给出这些条件的数值解。
4)  ordinary light
寻常光
1.
The reflection of ordinary light on the internal boundary surface of the uniaxial crystal is studied.
　研究了寻常光在单轴晶体内表面上的反射规律。
2.
The reflection formulas of the ordinary and extraordinary light are given for determining their reflecting orientation of the wave normal and the light ray.
基于电磁波边界条件 ,从几何光学的角度 ,对单轴晶体内表面上光的反射规律进行了分析和讨论 ,给出了寻常光和非常光波法线和光线反射的公式 同时指出了上述结果与由费马原理导出的结果是一致
5)  extraordinary light
非常光
1.
Refractive index of extraordinary light in the uniaxial crystal;
一轴晶光率体内非常光的折射率
2.
The reflection formulas of the ordinary and extraordinary light are given for determining their reflecting orientation of the wave normal and the light ray.
基于电磁波边界条件 ,从几何光学的角度 ,对单轴晶体内表面上光的反射规律进行了分析和讨论 ,给出了寻常光和非常光波法线和光线反射的公式 同时指出了上述结果与由费马原理导出的结果是一致
3.
This paper discusses the conditon on which extraordinary light and Incident light lies to the same side of normal of crystal surface and points out uncertain in some documents
本文讨论了非常光线和入射光线位于晶面法线同侧的条件，并指出某些文献中的不正确之处。
6)  extraordinary ray
非寻常光
1.
Refraction regularity of extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis;
单轴晶体光轴任意取向时非寻常光的折射规律
2.
In the case of optical axis of uniaxial crystal being parallel with the incident plane, the angle of refraction of extraordinary ray are calculated by using Fermat's principle.
在单轴晶体的光轴与入射面平行的情形下用费马原理计算非寻常光光线的折射角，然后就怎样定义非寻常光作些讨论，最后在单轴晶体的光轴任意取向的普遍情形下给出计算非寻常光光线折射方向的公式。
3.
In situation the optical axis of an uniaxial crystal lies in the plane of incidence，an equation determining the relationship between the angle of incidenee and that of refractionof extraordinary rays is derived by using Fermat s principle，An illustrative numerical examplefor CaCO_3 crystal is given.
本文由费马原理导出了单轴晶体中非寻常光（ｅ光）的折射角满足的方程，并以方解石为例给出了数值计算结果。
参考词条
补充资料：常光
【常光】
　（术语）化身佛平常之光明也。(参见：常光一丈)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。