| http://www.w3.org/ns/prov#value | - In some cases, satisfactory marks can be formed by varying only ??m in accordance with the mark length nT. In EFM modulation or EFM+modulation, for example, because longer marks, such as 11T mark, 14T mark, etc., are more liable to accumulate heat, it is recommended to make ??m longer thereby to lengthen the cooling time.
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