A measure of the iodine absorption by an oil under standard conditions; used to indicate the quantity of unsaturated compounds present. Also known as iodine value.
在标准条件下油吸收碘的数量，用以表明不饱和化合物存在的数量。
2
Formerly the arc length error for the insulation resistance instrument is defined by scale arc length. At present national standard determines that the percentage of indicated value expresses it.
绝缘电阻表以前是按标度尺弧长定义的弧长误差，现行国家标准规定以指示值的百分数表示。
3
From the distribution of the net presentvalue of the property, one may calculate the expected net presentvalue and its standard deviation.