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单词 alpha-beta
释义

alpha-beta

Metallurgy
adjective
Designating brass containing about 39–43 per cent of zinc, i.e. intermediate in composition between alpha brass and beta brass.
  • Alpha-beta brass is composed of two distinct phases, consisting of alpha brass and beta brass respectively..

Origin

Early 20th century.

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更新时间:2026/6/9 6:49:38