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弯曲空间 [wān qū kōng jiān]
curved space
- 1981年，他证明了声波在流体中的传播，和光在弯曲空间中的传播有极为接近的类比。
In 1981 he showed that there is a close analogy between the propagation of sound in a moving fluid and that of light in a curved spacetime. - 然而，在流动不均匀的流体中，声子的速度会改变，而且它们的波长也会拉长，正如同弯曲空间中的光子一般。
In a fluid moving nonuniformly, however, the phonons' velocity is altered and their wavelength can become stretched, just like photons in a curved spacetime. - 如果给定表面被弯曲，那么切线空间将会跟着表面转动。
If a surface is curved, then tangent space rotates as you move along that surface.
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