系统地介绍了点焊拼接板的研究现状和发展前景。
Research status and developing prospect of spot welding butt strip is systematically introduced in this paper.
着重对梯度功能材料的研究现状和发展前景作了比较全面的综述。
Attention is focused on the current research situation and the latest development in FGM field.
最后讨论了国内外调q双包层光纤激光器的研究现状和发展前景。
Finally, the development trends and applications of Q-switched double-clad fiber laser are prospected.
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