State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring intensities ratio distributions and phase shift angle in aperture field of antenna systems with operating dimensions from 3x3 to 6x12 m2 at the frequency range from 2,5 to 4,0 and from 8,2 to 12,0 GHz
Information technology. Survey of icons and symbols that provide access to functions and facilities to improve the use of information technology products by the elderly and persons with disabilities
