підкритична / субкритична маса (кількість)
subcritical velocity of flow
quantity-distance principle
supercritical mass / quantity
militarily significant quantity
fuel quantity transmitter
gasoline quantity gauge
substantial change of a hydrodynamic quantity
substantial derivative of a hydrodynamic quantity
electromagnetic quantity
local change of a hydrodynamic quantity
local derivate of a hydrodynamic quantity
material change of a hydrodynamic quantity
material derivative of a hydrodynamic quantity
fuel quantity indicator
initial quantity order