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short focal distance irradiation stresses
nucl.phys., радиогр.	близкофокусная лучевая терапия (focal distance up to about 5 cm; use of nuclear radiation or Xrays)
радиогр.	короткофокусная лучевая терапия (focal distance up to about 5 cm; use of nuclear radiation or Xrays); близкофокусное облучение (focal distance up to about 5 cm; use of nuclear radiation or Xrays); короткофокусное облучение (focal distance up to about 5 cm; use of nuclear radiation or Xrays)