单语范例（未经PONS编辑处理）
More generally, it is magical thinking to take a symbol to be its referent or an analogy to represent an identity.
en.wikipedia.org It does not imply any direct connection with the curve called an ellipse, but only a rather far-fetched analogy.
en.wikipedia.org The sub-arena in the analogy functions as the learning and feedback mechanism of the system.
en.wikipedia.org Another analogy of a hologram is the way sunlight illuminates objects in the visual field of an observer.
en.wikipedia.org There is a pitfall with the application of the electro-mechanical analogy, which has to do with how networks are drawn.
en.wikipedia.org