| http://www.w3.org/ns/prov#value | - For example, there is a method of expressing the total ultraviolet ray amount (wavelength: about 290 to 400 nm), a method of measuring by using an ultraviolet ray sensor having sensitivity in only the UVA region (wavelength: about 320 to 400 nm), a method using an ultraviolet ray sensor having sensitivity in only the UVB region (wavelength: about 290 to 320 nm), and the like.
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