Assertion: filter | /r/HasProperty | stacked
Facets:
value: together
type: MANNER
Source sentences:
text: Filters for sub-millimeter and near infrared wavelengths in astronomy are metal mesh grids that are stacked together to form LP, BP, and SP filters for these wavelengths.
text: As a consequence of this relationship, filter factors should be multiplied together when such filters are stacked, as opposed to stop adjustments, which should be added together.