interferend refractometer
干涉折射计

• sifting property
• sift invariant
• sift lock
• sift matrix
• sift operation
• sift register
• sight
• sight alidade
• sight alignment
• sight axis
• sight bead
• sight ga(u)ge
• sighting
• sighting board
• sighting disk
• sighting distance
• sighting error
• sighting gear
• sighting mark error
• sighting piece
• sighting telescope
• sighting wire
• sight level
• sight vane alidade
• sigmoidoscope