Zobrazeno 1 - 1
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pro vyhledávání: '"Li Chungqin"'
Publikováno v:
Measurement Techniques. 43:551-557
Russian and Chinese national standards have been compared by exchanging hydrophones for calibration in the frequency range from 1 Hz to 630 kHz. The results agree very closely, which confirms that the estimates made of the errors in the two standards