A magnetic recording medium 2, wherein {HEAD ~ said magnetic recording medium} records and reproduces signals in {TAIL ~ the range} of the wavelength of 1 μm or shorter 
A magnetic recording medium 2 , wherein { HEAD ~ said magnetic recording medium } records and reproduces signals in { TAIL ~ the range } of the wavelength of 1 μm or shorter
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH