It is shown that 1D quantum field theory can be considered as a chain of classical oscillators in a thermostat under assumptions that the Gibbs distribution measures the phase space volume, and the chain is in the non-equilibrium state. Strings and p-branes are also considered as ordered sets of oscillators. A model of 1D superspace is given. The Ramon-Neveu-Schwarz superstring is modeled by a helix formed of a bosonic string in a multidimensional space. Physical 3D space is considered as a structure made of superstrings (a 3D "net"); it is described by some supersymmetric Lagrangian. In fact this model gives unification of all interactions, including gravitational one. Appearance of the cosmological constant in the gravitational equations is a specific feature of the model. A model of black hole giving reasonable values for temperature and entropy of the latter is proposed.

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