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Arguments against the traditional Yukawa-type approach to $NN$ intermediate-and short-range interaction due to scalar-isoscalar meson exchange arepresented. Instead of the Yukawa mechanism for intermediate-range attractionsome new approach based on formation of the symmetric six-quark bag in thestate $|(0s)^6[6]_X,L=0>$ dressed due to strong coupling to $\pi$, $\sigma$ and$\rho$ fields are suggested. These new mechanism offers a strongintermediate-range attraction which replaces the effective $\sigma$-exchange(or excitation of two isobars in the intermediate state) in traditional forcemodels. A similar mechanism with vector $\rho$-meson production in theintermediate six-quark state is expected to lead to a strong short-rangespin-orbital nonlocal interaction in the $NN$ system, which may resolve thelong-standing puzzle of the spin-orbit force in baryons and in two-baryonsystems. Illustrative examples are developed which demonstrate clearly how wellthe suggested new model can reproduce $NN$ data. Strong interrelations havebeen shown to exist between the proposed microscopic model and theone-component Moscow $NN$ potential developed by the authors previously andalso with some hybrid models and the one-term separable Tabakin potential. Thenew implications of the proposed model for nuclear physics are discussed.Comment: 56 pages, 10 Postscript figures, corrected formulas and figure

New mechanism for intermediate- and short-range nucleon-nucleon interaction