R-function 2 R-functions 2 R-функции 2 R-функция 2 R-функція 2 R-функції 2 UDC 517.95 518.517 629.735.33-519 2 UDC 519.6 2 UDC 669.017.3 2 alphabetic parameters 2 carbide phase 2 defects 2 diffusion 2 discrete model 2 finite element method 2 image 2 implicit function 2 inverse problem 2 object shape 2 operability 2 optical-mathematical method 2 parametric synthesis 2 programming 2 standard primitives 2 structural heterogeneity 2 tolerances 2 unmanned aerial vehicle 2 Научно-технический раздел 2 УДК 517.95 518.517 629.735.33-519 2 УДК 519.6 2