Assertion: radar's size | /r/HasProperty | measured by the radar cross section
Facets:
Source sentences:
text: The size of a target's image on radar is measured by the radar cross section or RCS, often represented by the symbol σ and expressed in square meters.
text: The size of a target's image on radar is measured by the radar cross section or RCS, often represented by the symbol σ and expressed in square meters.