单词	a-horizon
释义	A-horizon Thesaurus Noun 1. A-horizon - the top layer of a soil profile; usually contains humusA horizonhumus - partially decomposed organic matter; the organic component of soil A-horizon Related to A-horizon: soil profile noun Synonyms for A-horizon noun the top layer of a soil profile Synonyms A horizon Related Words humus
随便看	embedded system block embedded system overview embedded system processor group embedded systems embedded systems and applications embedded systems applications embedded systems conference embedded systems consortium for hybrid and embedded research embedded systems design embedded systems development tool embedded systems development tools embedded systems division embedded systems engineering professional certification embedded systems expo & conference embedded systems institute embedded systems laboratory embedded systems library embedded systems modeling language embedded systems programming embedded system technology center embedded tactical information control system embedded technology extended embedded teeth embedded to enterprise embedded tool kit

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