| 摘要 |
An agitation apparatus for agitating a liquid by radiating a sound wave, includes a liquid holder that holds a liquid, and a sound wave generator that is arranged at an outer side of a wall of the liquid holder to make sound waves directed in two mutually plane-symmetrical directions each at an angle with the wall incident on the wall, wherein the sound wave generator generates the sound wave from such a position that a plane of symmetry of the sound wave is displaced from a central axis of the liquid holder.
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