adjustable line balance
heat balance thermal balance
material balance and thermal balance
A line used as both sterile and maintaining line
agonic line {agonic line of no declination}
Dual purpose line with nucleic male sterile line
Fault Cutoff Line Allan Line
Male sterility line and maintainer line
velocity line of arc line short band
2-dimensional energy balance model
A Simple Dynamic Balance of Rotor Control
absolute current balance
account form of balance sheet