... operating frequency range 工作频率范围 lowest operating frequency 最低工作频率 MOFMaximum Operating Frequency 最高工作频率 ...
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Driven by the thermoacoustic engine, a single stage double-inlet PTC obtained the lowest refrigeration temperature of 80.9K with operating frequency of 45Hz.
该热声发动机驱动双向进气型单级脉管制冷机达到80.9 K的最低制冷温度。
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