它的名字来源于它的声学现象——站在这边轻声的耳语可以从另一边清楚的听到。
It is named for its acoustical properties - a whisper spoken at one end can be heard clearly from the other.
当然,就是这个,我们以前谈论过的,另一种声学现象,八度的内部联系是什么呢。
And, of course, there's this — another acoustical phenomenon here we've talked about before, what's the relationship within an octave?
热声现象是放热过程和声学脉动之间的一种正向的相互激励。
The thermoacoustic phenomenon is a positive excitement betWeen lieat release and acoustic oscillation.
And, of course, there's this-- another acoustical phenomenon here we've talked about before, what's the relationship within an octave?
当然,就是这个,我们以前谈论过的,另一种声学现象,八度的内部联系是什么呢
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