| 释义 |
outline of the development
基本例句
发展概况
The recent development of synthesis and application of triphenylphosphine and its derivates are reviewed in this paper.评述了三苯基膦和三苯基膦衍生物的合成及其应用的研究和发展概况。
In the first section, we mainly introduce the development general situation of the achromatic phase retarders and the important significance of this topic research.第一章主要介绍了消色差相位延迟器的发展概况，以及对这一课题进行研究的重要意义。 |