第二个短横后数字为污秽等级号；
The second short after the digital for pollution level date;
绝缘子总的爬距应等于或大于由该地区污秽等级所要求的爬距。
The total creepage distance of an insulator shall be not less creepage distance requested by the pollution level for the site.
提出了一种红外热像处理与支持向量机多值分类器相结合的新方法对高压绝缘子污秽等级进行检测。
This paper presents a new method that integrates infrared thermal image technique with support vector machine (SVM) classifiers to check the contamination grades of high voltage insulators.
实测结果表明通过复介电常数的测量可以实现对污秽物等级的区分。
We have made many experiments to measure complex dielectric constant in different quantity of salt.
实测结果表明通过复介电常数的测量可以实现对污秽物等级的区分。
We have made many experiments to measure complex dielectric constant in different quantity of salt.
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