UVI是什么意思

Ultraviolet Index ( UVI) was measured at Beijing Observatory between May 1999 and October 2001.The results show that the UVI varies significantly in different seasons.

1999年5月&2001年10月在北京观象台对紫外线指数（UVI）进行了长期观测，结果表明：UVI季节差异明显，春、夏、秋、冬季的最大值分别为785987492299；

The forecasting accuracy of Ultraviolet Radiation Index ( UVI) depends on the calculating exactness of UV radiation intensity.

地表紫外辐射强度计算的准确与否，直接关系到紫外辐射指数（UVI）预报的准确性，其计算方法受到气象部门的特别重视。

A portable and low cost solar UV index ( UVI) meter is designed and fabricated.

设计并制作了一种便携式、低成本的日光紫外线指数检测仪。