摘要:The U.S. Securities and Exchange Commission (frequently abbreviated SEC) is a federal agency[1] which[阅读全文]
摘要:Section Beams are made of steel and they have a specific lengths and shapesSection beam like I-b[阅读全文]
摘要:什么是衍生证券 衍生证券(derivative security,也称衍生证券,衍生工具)是一种证券,其价值依赖于其它更基本的标的(underlying,也称基本的)变量。目前,包括远期合约、期货、[阅读全文]
摘要: 1.雕刻、精致、元素 SEC由Sculpture Element Collection三个英文单词的首字母组成,意为“雕刻、精致、元素”。 SEC—是精致生活[阅读全文]