spare block的意思|示意

Low Density parity check (LDPC) codes are a kind of linear block codes approaching Shannon limit. They can be constructed either with spare parity-check matrix or with factor graphs.

LDPC码是一种可以接近香农限的线性分组码，可通过稀疏奇偶校验矩阵来构造，也可以用因子图来构成。

Users can at any time in accordance with the require we are pirates, these data are stolen from youdao s of the design, production of different specifications of the chain, Shoumo Block, and related spare parts.

随时可以按照用户要求进行设计、生产不同规格的链条、手模座、及相关备件。