紫外线指数

• Diurnal variation of uv index on 14 august 2001 a sunny day with some 12 hours of sunshine
  图三紫外线指数在2001年8月4日的日际变化。
• The mean uv index recorded at king s park for the day was 1 , the uv intensity was low
  京士柏本日录得的平均紫外线指数是1 ，强度属于低。
• The mean uv index recorded at king s park for the day was 4 , the uv intensity was moderate
  京士柏本日录得的平均紫外线指数是4 ，强度属于中等。
• On days when the uv index is high , you should avoid staying outdoors for prolonged periods
  在紫外线指数偏高的日子，市民应尽量避免长时间在户外曝晒。
• On days when the uv index is high , you should avoid staying outdoors for prolonged periods
  在紫外线指数偏高的日子，市民应尽量避免长时间在户外曝晒。
• 2 . on days when the uv index is high , you should avoid staying outdoors for prolonged periods
  2 .在紫外线指数偏高的日子，市民应尽量避免长时间在户外曝晒。
• The uv index is obtained by multiplying the measured uv intensity by a conversion factor
  只要将宽波段仪所量度的紫外线强度乘上一个变换常数，便可计算出紫外线指数。