说明：  RS(Reed-Solomon)码是一种多进制的BCH码。由于其特有的结构特点,既适宜纠正随机错误,更适宜纠正突发错误
(RS (Reed-Solomon) code is a multi-ary BCH codes. Because of its unique structural characteristics, not only suitable for correcting random errors, more appropriate to correct the burst errors)