index difference是什么意思

用法例句

Analysis of large refractive index difference of GRIN-rod lenses caused by ion-exchanging;

离子交换引起的GRIN棒透镜大折射率差值分析

In this paper,refraction error reduction in trigonometric leveling is discussed from the viewpoint of data processing.

从数据处理的角度探讨了削减三角高程测量折光误差的问题 ,结合新安江电厂监测网的观测数据 ,对常用的平差模型进行分析、比较 ,探讨了大气折光对平差结果的影响规律 。

Determination of sarsasapogenin in compound Zhimu capsules by HPLC-RI;

RP-HPLC示差折光检测法测定复方知母胶囊中菝葜皂苷元的含量