用热电偶并联测量蓖麻油的平均温升值，计算出蓖麻油所吸收的热能，进而求得换能器的声功率。
Using 10-channel parallel thermocouples to measure the average temperature rise, energy absorbed by castor oil can be obtained.
用热电偶并联测量蓖麻油的平均温升值，计算出蓖麻油所吸收的热能，进而求得换能器的声功率。
Using 10-channel parallel thermocouples to measure the average temperature rise, energy absorbed by castor oil can be obtained.
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