A visual tutorial on geography j. p. shebalin
(57) Abstract:
Usage: in physics, tutorials, models and mock-UPS, models for topography or geography , for example in the relief terrain model . The essence of the invention; visual tutorial on geography represents a relief terrain model, in which the grooves for the installation of flat elements to plot contours of cross-sections. The model is executed in the form of a monolithic block with a relief groove. 2 Il.
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