Some Treasury bonds issued before 1985 did have call provisions, however, so you need to watch out if you buy these bonds in the secondary market.
但是，一些在1985年前发行的国债有赎回条款，所以你需要注意你是否在二级市场上买了这些债券。
Treasury securities cannot be redeemed before maturity and do not have call provisions.
国债在到期之前并不能被赎回，也没有赎回条款。
Treasury securities cannot be redeemed before maturity and do not have call provisions.
国债在到期之前并不能被赎回，也没有赎回条款。
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