| http://www.w3.org/ns/prov#value | - According to an aspect of the present invention, when the recording mark has a length of nT, the second pulse starts at a time point of (n???1)T. According to an aspect of the present invention, when the recording mark has a length of nT and n is an integer, the first pulse of the box type recording pattern starts at a first position separated by a first distance from a time point that is 1 T from
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