| 摘要 |
A probe comprising a first tube comprising a first end positioned at a measurement location, and a second end, a second tube comprising a first end, and a second end, a connector comprising a transducer for connecting the second end of the first tube to the second end of the second tube, and a terminating element attached to said first end of the second tube wherein the second tube is of a length sufficient to substantially eliminate the incidence of resonance.
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