- spiral pattern
- 螺旋云型
Atmospheric Sciences (English-Chinese) dictionary. 2014.
spiral pattern
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Spiral computed tomography — Diagnostics MeSH D036542 Spiral computed tomography is a computed tomography,[1] technology involving movement in a spiral … Wikipedia
Spiral — In mathematics, a spiral is a curve which emanates from a central point, getting progressively farther away as it revolves around the point.piral or helixA spiral and a helix are two terms that are easily confused, but represent different objects … Wikipedia
spiral — 01. The birds were flying loops and [spirals] through the trees, and across the sky. 02. Most of the galaxies in the universe have a [spiral] shape. 03. We put a [spiral] binding on the book, so it could be opened and lain flat on a desk. 04.… … Grammatical examples in English
spiral cleavage — A type of early embryonic cleavage in which, after the first few divisions, the cells of the upper quartet in the eight celled stage lie above and between the cells of the lower quartet and thus tend to form a spiral pattern … Dictionary of invertebrate zoology
Pattern welding — is the practice in sword and knife making of forming a blade of several metal pieces of differing composition that are forge welded together and twisted and manipulated to form a pattern. Often incorrectly called Damascus steel (which is produced … Wikipedia
spiral — ► ADJECTIVE ▪ winding in a continuous curve around a central point or axis. ► NOUN 1) a spiral curve, shape, or pattern. 2) a progressive rise or fall of prices, wages, etc., each responding to an upward or downward stimulus provided by a… … English terms dictionary
spiral cleavage — Pattern of early cleavage found in molluscs and annelids (both mosaic eggs). The animal pole blastomeres are rotated with respect to those of the vegetal pole. The handedness of the spiral twist shows maternal inheritance … Dictionary of molecular biology
spiral staircase — n a set of stairs arranged in a circular pattern so that they go around a central point as they get higher … Dictionary of contemporary English
spiral — adjective winding in a continuous and gradually widening (or tightening) curve around a central point or axis. ↘winding in a continuous curve of constant diameter about a central axis, as though along a cylinder; helical. ↘Astronomy denoting… … English new terms dictionary
Spiral (piercing) — An ear spiral is a more or less concentric circle that is usually worn through the ear lobe. It is normally held in place only by its own downward pressure. Glass ear spirals are shown but many materials are used. Some designs are quite ornate… … Wikipedia
spiral visual field — a visual field pattern, seen in functional visual loss, in which there is a continuous contraction of the visual field as it is plotted from meridian to meridian, so that the line connecting the limits of all of the meridians takes the form of a… … Medical dictionary
