| http://www.w3.org/ns/prov#value | - The multi-X-ray generator according to claim 1, wherein a distance d between said X-ray beams has a relationship of d>2D???tan ?? where D is a distance from said target to an extraction position for extraction of the X-ray beams into the atmosphere and ?? is a radiation angle of the X-ray beam get out from said X-ray shielding unit.
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