国库证券中，是指最近被拍卖的。是指最近发行的不同期限品种的美国中长期国债。这些有可能是交易最活跃的部分。

In Treasury securities, the issue that was auctioned off most recently. These tend to be the most actively traded issues.

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本文通过线性回归分析了上海证券交易所较活跃国债的全价及净价走势与上交所国债指数走势的关系，指出该指数对于不同类型投资者有不同的参考意义。

This article tries to analyze the relationship between full and net prices of actively-traded treasury bonds and the bond index of Shanghai Stock Exchange (SSE) by using linear regression.

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虽然股票的种类数以千计，但买卖最活跃的股票通常在纽约证券交易所。

While there are literally thousands of stocks, the ones bought and sold most actively are usually listed on the New York stock Exchange (NYSE).

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