Physical variable field
aquifer gas storage field
explosion-proof variable frequency variable speed
function of complex variable complex variable
stator variable voltage variable speed
variable diameter and variable pitch
Variable Frequency Variable Speed
variable frequency variable speed system
Variable Voltage Variable Frequency
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