Sonography Physics

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Across
  1. 1. "big" or "strong"
  2. 3. converts energy
  3. 6. concentration of force
  4. 7. medium or vacuum
  5. 8. blood flow
  6. 9. rectangular display
Down
  1. 2. needs a medium
  2. 4. pie shape
  3. 5. pressure to a crystal