matrix paper, flong是什么意思

用法例句

Study on Processing Technology of Papier-mache Pteridium Aquilinum;

纸型蕨菜加工工艺的研究

It also points out that we should not neglect the collecting, management and protecting of paper documents in the same time.

笔者分析了当前数字图书馆建设中存在的问题 ,指出在建设数字图书馆的同时 ,不应忽视纸型文献的收集、管理与保护。