“backing”的概念、定义、翻译、参考文献-科学参考

单词	backing
释义	backing [`bak·iŋ] ^{CIVIL ENGINEERING} 1. The unexposed, rough masonry surface of a wall that is faced with finer work. 2. The earth backfill of a retaining wall. ^ELECTRONICS Flexible material, usually cellulose acetate or polyester, used on magnetic tape as the carrier for the oxide coating. ^METALLURGY See <<backing strip>> ^METEOROLOGY 1. Internationally, a change in wind direction in a counterclockwise sense (for example, south to east) in either hemisphere of the earth. 2. In United States usage, a change in wind direction in a counterclockwise sense in the Northern Hemisphere, clockwise in the Southern Hemisphere. ^{MINING ENGINEERING} Timbers across the top of a level, supported in notches cut in the rock.
随便看	SFS S glass shackle shackle bolt shade shaded-pole motor shaded-relief map shade error shade glass shading shading coefficient shading coil shading ring shading signal shadow shadow attenuation shadow bands shadow batch system shadow effect shadow factor shadowgram shadowgraph shadow line shadow mask shadow microscopy

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