- upper arcs
- 上珥
Atmospheric Sciences (English-Chinese) dictionary. 2014.
upper arcs
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Upper tangent arc — An upper tangent arc is a halo, an atmospheric optical phenomenon which appears over and tangent to the 22° halo centred around the sun.The shape of an upper tangent arc varies with the elevation of the sun; while the sun is low (less than… … Wikipedia
List of New Avengers story arcs — This is a chronological list of story arcs in the comic book series New Avengers created by Brian Michael Bendis and David Finch. Drawn by Finch, Leinil Francis Yu, Billy Tan and others[who?], New Avengers presents the adventures of a new team of … Wikipedia
Arch, Four-centred — ♦ Arch with curves struck from four centres, the two outer (lower) arcs struck from the springing line, the inner (upper) from below the springing line. In later work the upper arcs are represented by straight lines. (Wood, Margaret. The English… … Medieval glossary
Tudor arch — ♦ Arch with curves struck from four centres, the two outer (lower) arcs struck from the springing line, the inner (upper) from below the springing line. In later work the upper arcs are represented by straight lines. (Wood, Margaret. The English… … Medieval glossary
Arch, Ogee — ♦ Pointed arch of double curved sides, the upper arcs convex, the lower concave. (Wood, Margaret. The English Medieval House, 409) … Medieval glossary
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean … Universalium
japan — japanner, n. /jeuh pan /, n., adj., v., japanned, japanning. n. 1. any of various hard, durable, black varnishes, originally from Japan, for coating wood, metal, or other surfaces. 2. work varnished and figured in the Japanese manner. 3. Japans,… … Universalium
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plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… … Universalium
