optimum ratio of fertilization
optimum ratio of metathesis
optimum ratio of nutrient elements
optimum ratio of ridge to furrow
Optimum Ratio of Turns and Capacitance
Signal-to-noise ratio balance
transformer ratio balance coefficient
Fishing boat optimum main engine optimum auxiliari
to approach the optimum from non-optimum
heat balance thermal balance
material balance and thermal balance
Mental balance or balance of mind
axial compression ratio and slenderness ratio