最密堆积 zuìmìduījī close-packing Definitions Defs Origin Strokes Stroke Words Sentences Sents 六方最密堆积 liùfāngzuìmìduījī hexagonal close-packed hexagonal close-packed (HCP) structure in geometry or materials science面心立方最密堆积 miànxīnlìfāngzuìmìduījī face-centered cubic face-centered cubic packing, the most efficient way of packing spheres together in a crystal lattice