抗辐射特种多模光纤是针对具有辐射灾难威胁的恶劣环境下使用的光纤,抗辐射特种多模光纤是折射率渐变型(Grade Index),纤芯直径50um,62.5um以及100um可选。
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grade-index 递级指数
two grade index evaluation 二级指标评判
lighting-harm degree grade index 雷电危险度综合指数
GRADE&INDEX 品种规格及指标
multi-grade index 多级索引
grade index series 等级指标系列
composite grade index 综合等级指数
grade index optimization 品位指标优化
Grade of UV Index 紫外线指数等级
The character projects have been listed as the first grade index in the undergraduate course teaching evaluating.
本科教学评估中,特色项目被列为了一级指标。
From the results we know gross profit and NPV have obviously improved after optimization, so its reasonable for optimization grade index on this mine.
结果表明,优化后该矿的总利润和净现值有了明显的提高,说明将该矿的品位指标进行优化是合理的。
The grade index is different objectively, and grade index has great correlation with arable land quality, which is premise of Grade-Determination of arable land.
客观上这种等级指数存在着一定的差异,并且这种功级指数同耕地质量之间的差异有很人的相关性,这是对耕地进行分等定级前提。
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