{HEAD ~ The scanner housing structure} according to {TAIL ~ the present invention} provides a more convenient environment in using a scanner, and the scanner can be a part of the computer so that no more effort of a user to choose and install a scanner is needed 
according to
{ HEAD ~ The scanner housing structure } according to { TAIL ~ the present invention } provides a more convenient environment in using a scanner , and the scanner can be a part of the computer so that no more effort of a user to choose and install a scanner is needed
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