coherent optical arrangement
a coherent state cavity field of large amplitude
soil hydrodynamic field state
a system of a major field of specialization plus a minor field
added electric field and magnetic field
adjustment between wind field and pressure field
coupling for seepage field and stress field
coupling seepage field and stress field
dark field and bright field incident light microscope
deep-basin gas field beneath Daqing oil field
field in field technique
flow field and concentration field of alloying element
Irrigated field and dry field ecological type
dynamic state and static state
Mentality state mentality state
stationary state approximation; steady state approximation
(OCR) Optical Character Recognition Equipment(OCR)
(OTDR) Optical Time-Domain Reflectometers(OTDR)
1 550 nm optical fiber transmission system