However, these hypothetical objects were not the topic of much interest until the late 1960s.
然而,这些假设的物体直到1960年代后期才是很感兴趣的主题。
The hypothetical amount on which interest payments are based in products such as interest rate swaps, forward rate agreements, caps and floors.
指在诸如期权,利率互换、远期利率协议等金融衍生品工具的支付利息时所依据的假设金额。
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