indicatrix

indicatrix of diffusion

漫射指示

spherical indicatrix of scattering

散射指示

indicatrix of optical diaxial crystal

二轴晶光率体

Quality control in water analysis includes a Qulity indicatrix:blank value.detectivelimit,precision,accuracy;

水质分析的质监控:1.质指标控:空白值、检测限、精密度、准确度;