| http://www.w3.org/ns/prov#value | - Optical disk apparatus for recording information on a disk-like recording medium by using light or reading and reproducing the recorded information include CDs such as a CD-ROM, a CD-R and a CD-RW using a light emitting element of a wavelength of approximately 780 nm and DVDs such as a DVD-ROM, a DVD-R and a DVD-RAM using a light emitting element of a wavelength of approximately 650 nm.
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