Therefore, the polymer solar cells become one of the heat POTS of present research area.
这样,使得聚合物太阳能电池成为目前该领域的研究热点之一。
As one of the environment effect, the effect on water is the key territory of present research.
水文效应作为土地利用的重要环境效应之一,成为研究的重点和焦点。
How to improve geometric positioning accuracy of CNC machine becomes an significant issue of present research.
如何提高数控机床的几何位置精度成为目前研究的关键问题。
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