State system for ensuring the traceability of measurements. Ultrasonic power in liquids. General requirements to measuring methods in the frequency range 0,5 to 25 MHz
Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). Technical description of parametric coding for high quality audio
Information technologies. Comprehensive security systems and integrated. General requirements for the typical architecture, hardware and software intelligent monitoring systems to ensure the safety of enterprises and territories
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