free-electron approximation free-electron model free-electron theory free energy free-falling free-falling catch free-falling classifiers free fit free flame free flight free-flight angle free-flight missile free-flight rocket free-flight trajectory free flow free-flow conduit free-flowing free-flowing granules free from smell free from vorticity |
free-electron approximation физ. приближние на почти свободните електрони Търсената дума е намерена |