Background and purposes: Tinnitus is an auditory phantom sensation experienced when no external sound is present.
背景与目的耳鸣是在无外界相应声源刺激时耳内有响声的一种主观感觉，发病率极高。
Another illusion known as' phantom tactile sensation 'is done by placing vibrating objects at different points on the skin at the same time which creates a tactile sensation between the points.
另外一种被称为“幻影触觉”的错觉，是通过同时放置正在振动的物体在皮肤的不同位置点上，从而在这两点之间产生一股触觉。
Another illusion known as' phantom tactile sensation 'is done by placing vibrating objects at different points on the skin at the same time which creates a tactile sensation between the points.
另外一种被称为“幻影触觉”的错觉，是通过同时放置正在振动的物体在皮肤的不同位置点上，从而在这两点之间产生一股触觉。
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