two-photon-induced PL 双光子吸收诱导光致发光光谱
The Curve Theory of Ranks (CTR) proposed by Dr. Chen Baoya suggests two methods for the research in the field of historic relationships of languages: Probability Limit(PL) and the Curve of Ranks (CR).
陈保亚提出的阶曲线理论为语言历史关系研究提供了两个重要的方法：概率计算法和阶曲线。
With the stress increased, two peaks were split apparently and the FWHM broadening of the PL peaks appeared.
同时PL峰的半峰宽随着应力增加而逐渐加大。
It has two other advantages, so it is a good pl...
此外它还有另外两个优点，因而是一个好的方案。
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