Fibre optics: The studies of light that transmits through transparent fibrous materials.
纤维光学：研究光线沿透明纤维材料传送的科学。
Only simple rheologic characteristics of agricultural fibrous materials during being compressed is studied.
对压缩过程中被压缩物料的流变学特性研究不够。
We must make structure adjustment of paper making raw materials, use lumber as the main material and rationally use non-lumber fibrous materials.
我国造纸工业必须调整原料结构，做到以木为主，合理利用非木材纤维原料。
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