backward linkage

例句：

1. 1. The company's website has a backward linkageto its physical store.
   该公司的网站与实体店有反向链接。
2. 2. This software allows for backwardlinkage to previous versions of the code.
   这款软件允许对代码的先前版本进行反向链接。
3. 3. The researcher found thatthe backward linkage could be used topredict future trends.
   研究者发现，反向链接可以用来预测未来趋势。