摘要:Air changes per hour (ACH) is a measure of how many times the air within a defined space (normally a[阅读全文:]
摘要:What Does Absolute Return Index Mean?A stock index designed to measure absolute returns. The absolute[阅读全文:]
摘要:Ask price, also called offer price, offer, asking price, or simply ask, is a price a seller of a good[阅读全文:]
摘要:Austenite (or gamma phase iron) is a metallic non-magnetic solid solution of iron and an alloying ele[阅读全文:]
摘要:The schilling was the currency of Austria between 1924 and 1938 and again between 1945 and 1999, and[阅读全文:]
摘要:The Australian dollar (sign: $; code: AUD) is the currency of the Commonwealth of Australia, includin[阅读全文:]
摘要:ABS Steels are types of structural steel which are standardized by the American Bureau of Shipping fo[阅读全文:]
摘要:Antimony (pronounced /æntɪmənɪ/ (UK) or /æntɨmoʊni/ (US)) is a c[阅读全文:]
摘要:Aluminium alloys are mixtures of aluminium with other metals (called an alloy), often with copper, zi[阅读全文:]
摘要:Alloy steelAlloy steel is steel alloyed with other elements in amounts of between 1 and 50% by weight[阅读全文:]
