结果表明，多标分形介质膜系的反射率具有分形的自相似特征。
The numerical result shows that there is self similarity in the reflectivity of dielectric film system.
利用落锤式抗压冲击仪测定沥青混合料的冲击韧性，采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。
To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.
文中导出了反射光调制函数的数学表达式，并介绍两种结构的光纤色标传感器的检测原理。
The mathematical expression of reflection modulation function is derived in this paper. The detection principles of two kinds of structures in the optic fiber colour mark sensor are presented.
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