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。
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。
From the distribution of the net present value of the property, one may calculate the expected net present value and its standard deviation.
从发行的净现值的财产，我们可以计算出预期净现值及其标准偏差。
应用推荐