例如，国际会计准则理事可能只允许顶尖的一部分资产支持证券被分类为贷款。
For example, IASB is likely to allow only the very top tranches of asset-backed securities to be classified as loans.
伦敦证券交易市场过去是一个封闭的市场，令人垢病的是其过时的分类：进行交易的股票经纪人和负责做市的股票做市商。
The London stock exchange was a closed shop, marked by an antiquated division between brokers who brought the business and jobbers who made markets in shares.
本文通过引入证券价格，讨论一般证券集组合前沿的分类，并据此直接证明判定某个证券子集是全集的有效子集的一个充要条件。
Introducing prices of securities, this paper classifies general securities sets by portfolio frontier and then a direct proof for a determinant theorem about Efficient Subset is obained.
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