diagonal choerent-state
对角相干态

• fine grain
• fine grain developer
• fine-grained
• fine grating
• fine grinding wheel
• fine line
• finely-honed
• fine measuring instrument
• fineness
• fine oil stone
• fine particle
• fine pitch
• fine pumping
• fine-range scope
• fine structure
• fine thread
• fine thread screw
• fine tuning
• fine vacuum
• fine wheel
• finger
• finger-impu system
• fingerprint
• fingerprint cameras
• fingerprint indentification