Assertion: reflecting telescope | /r/HasProperty | paraboloidal
Facets:
value: in the above diagram
type: LOCATION
value: ideally
type: DEGREE
value: exactly
type: DEGREE
Source sentences:
text: Ideally, the reflector would be exactly paraboloidal at all times.
text: For example, in the above diagram the reflector could be just the part of the paraboloid between the points P 1 and P 3 .