The results of experimental investigations clearly show that the broad band spectra level of cavitation noise increases as the cavitation number becomes small;
测量结果表明：在空化形态不变的条件下，空化噪声宽带谱级将随空泡数的减小而单调增加；
The results of experimental investigations clearly show that the broad band spectra level of cavitation noise increases as the cavitation number becomes small;
测量结果表明：在空化形态不变的条件下，空化噪声宽带谱级将随空泡数的减小而单调增加；
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