纠错码主要有分组码和卷积码两种。

Error correcting code mainly includes block code and convolutional code.

纠错码技术是一种通过增加一定冗余信息来提高信息传输可靠性的有效方法。

Error-correcting codes technology is a effective way to improve the reliability of information transmission by increasing certain redundant information.

优选情况下，许多用户数据区段的纠错码和其它属性数据，一起存放在与用户数据不同的页面和区块中。

Error correction codes and other attribute data for a number of user data sectors are preferably stored together in different pages and blocks than the user data.