highly specializedWhich I'd know nothing about, er but just highly specialized in itself.
very specializedThe study has involved a curious concentration of effort in one very specialized environment.
have specializedWhat's happened is because the potential market has risen, firms have specialized.
relatively specializedIt meant an increasingly rational and symmetrical organization of navies, the division of their ships into well-defined classes, each with relatively specialized functions and a fixed quota of men and guns.
few specializedVery few specialized in this new field; Gurney, Myers and Podmore were among them.
specialize for particular
many specializedThere are many specialized bibliographies published on limited subject areas.