Assertion: optical detector | /r/CapableOf | prove ground
Facets:
value: for many
type: TRANSITIVE-OBJECT
Source sentences:
text: The interferometric detectors deployed in the 1990s and 2000s were proving grounds for many of the foundational technologies necessary for initial detection and are commonly referred to as the first generation.
text: The interferometric detectors deployed in the 1990s and 2000s were proving grounds for many of the foundational technologies necessary for initial detection and are commonly referred to as the first generation.