Chladni figures
/ˈklɑːdnɪ/(亦作Chladni patterns或Chladni's figures)
plural noun
- the patterns formed when a sand-covered surface is made to vibrate. The sand collects in the regions of least motion.克拉尼图形（振动覆沙表面形成的图形, 沙子集中于振动最小的区域）。
词源
early 19th cent.: named after Ernst Chladni （1756-1827）， German physicist.