The source of the data used for this report is the taf database maintained by the u.s. patent and trademark office .

本报告使用的这些数据，源于美国专利商标局属下的taf数据库。

They grew especially in the form of repurchase agreements and , later , new types of credits such as term-auction credits - through the term auction facility ( taf ) - starting in december 2007 .

这些劣质资产先主要是增加在回购协议项，然后从2007年12月起是在一些新类型信用项，比如定期拍卖信用短期资金标售工具（taf）。

In the latest taf auction of the longer-term loans , the fed offered $ 75 billion of cash for 84 days , but received bids only for $ 32 billion .

在最新一次定期拍卖工具的较长期贷款拍卖上，美联储提供了750亿美元的84天期现金，但只收到了320亿美元投标。

Two of their most useful weapons are the federal reserve 's term auction facility ( taf ) and swap lines providing foreign central banks with dollars .

央行两大最有效武器就是美联储的短期标售和用美元与国外央行互换额度。