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We did experiments with the Boston Symphony for many years where we measured the angles of incidence of sound arriving at the ears of the audience, then took the measurements back to MIT and analyzed them.
我们在波士顿交响乐团做了很多年的实验，我们测量了声音到达观众耳朵的入射角，然后把测量值带回麻省理工学院进行分析。