墨西哥帽

In general, a Mexican hat is a sombrero – a broad-brimmed and high-crowned hat formerly used in rural areas of Mexico and still common today among mariachi musicians and foreign tourists.
Mexican hat may also refer to:

The Jarabe tapatío (the "Mexican Hat Dance")
In physics, the Mexican hat potential is a prescription for the potential energy that leads to the Higgs mechanism
In signal processing the Mexican hat wavelet is a continuous wavelet function
Mexican Hat, Utah, a census-designated place in Utah, USA and/or the balanced rock nearby that resembles an inverted sombrero.
Ratibida columnifera or upright prairie coneflower, a species of wildflower that is native to much of North America
Kalanchoe daigremontiana or Mexican hat plant, a plant that reproduces using vegetative reproduction with many smaller plants growing along its leaves
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