lock-in stailized external cavity
锁定稳定外腔

• reducible matrix
• reducing lens
• reducing plane table
• reducing printer
• reducing reflection coating
• reducing solution
• reducting theodolite
• reduction formula
• reduction lens
• reduction of operation
• reduction printer
• reduction rate
• reduction ratio
• reduncancy check
• redundancy
• redundant bit
• redundant information
• redundant number
• redundant operation
• reed
• reed-type comparator
• reek [block]
• reel
• re-emission
• re-entering