We completely determine the second covering radius for binary primitive double-error-correcting BCH codes. As part of this process, we provide a lower bound on the second covering radius for binary primitive BCH codes correcting more than two errors.

翻译：我们完整确定了二进制原始双纠错BCH码的第二覆盖半径。在此过程中，我们为纠错能力超过两个错误的二进制原始BCH码的第二覆盖半径提供了一个下界。