The recent research and development of chitosan composites were reviewed.
综述了壳聚糖复合生物材料的研究现状。
This paper reviews the research and development of these two dyes in recent ten years.
文中详细评述这两类染料近十余年来的研究和开发情况。
The recent research and development of iron fibers are also summarized.
并总结了近年来的研究情况。
The recent research and development of iron fibers are also summarized.
并总结了近年来的研究情况。
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