Hexagonal lattice

（重定向自Honeycomb lattice）

Triangular tiling. The vertices form a hexagonal lattice with horizontal rows, with triangles pointing up and down. There are three ways in which the triangles can be grouped 6-by-6 to form a hexagonal tiling. In each case the hexagons are oriented with two horizontal sides, and arranged in vertical rows, and in each case they have a dark triangle at the upper left.

Hexagonal tiling, honeycomb structure. The centers of the hexagons form a hexagonal lattice with vertical rows; for each color the centers of the hexagons of that color form a hexagonal lattice with horizontal rows which is in linear scale √3 times as large. The vertices of all hexagons together with their centers form a hexagonal lattice with horizontal rows which is in linear scale √3 times as small as the first-mentioned lattice.

The hexagonal lattice or triangular lattice is one of the five 2D lattice types.

Three nearby points form an equilateral triangle. In images, four orientations of such a triangle are by far the most common. They can conveniently be referred to by viewing the triangle as an arrow, as pointing up, down, to the left, or to the right; although in each case they could also be considered to point into two oblique directions.

单词	Honeycomb lattice
释义	Honeycomb lattice 英语百科 Hexagonal lattice （重定向自Honeycomb lattice） The hexagonal lattice or triangular lattice is one of the five 2D lattice types. Three nearby points form an equilateral triangle. In images, four orientations of such a triangle are by far the most common. They can conveniently be referred to by viewing the triangle as an arrow, as pointing up, down, to the left, or to the right; although in each case they could also be considered to point into two oblique directions.
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