PLR products mean that you could claim the product as yours and sell it at your discretion.
公共借阅权的产品意味着你可以要求和你的产品，在您决定出售它。
2
Off-line algorithms of GLS, BCLS and PLR can be derived easily from the same criterion.
这样广义最小二乘法，偏差校正法及伪线性法的离线算法便很容易地以这同一准则导出。
3
In order to find websites, that could be used to get a product or further selling, just type in any search engine 'PLR products' and you will receive the list of available websites.