The third order nonlinear optical property of PMOCOPV was studied by degenerate four wave mixing(DFWM).

采用简并四波混频（DFWM ）方法研究了PMOCOPV的三阶非线性光学性质。

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In the first part, we develop the method used for the construction of the third order perturbations with respect to the masses.

在第一部分，我们提出了用于构建把有关质量的摄动展开到三阶的方法。

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In this paper, we review the third order NLO properties of coordination polymers, and summarize the relationship between the crystal structures and the third order NLO properties.

本文概括了配位聚合物的三阶非线性光学性质，并总结了其结构与三阶非线性光学性质之间的关系。

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Great blessings to us." Nearly one-third of the women in the order are under thirty.

VOA: special.2011.01.13

Third thing to notice is, there's a flow of control. The order which these things are going to happen.

第三件事情就是,我有一个控制流,这些事情有个要做的先后顺序。

麻省理工公开课 - 计算机科学及编程导论课程节选

The third is, and these are not necessarily in any particular order, how they were governed or rather how they governed themselves.

第三是,这三个问题并,没有主次之分,他们是如何被治理的,或者还不如说他们是如何自我治理的

耶鲁公开课 - 古希腊历史简介课程节选

Yet the visitors got off to a dream start thanks to a goal of the highest order in the third minute.

BBC: Newcastle 2-2 Wigan

Obama suspended the military commissions by signing an executive order on his third day in office, the same day he signed an order to close the U.S. military prison at Guantanamo within a year and announced a 120-day review of the whole process.

CNN: Obama resurrects military trials for terror suspects

All adding up to innovative ways of prising productive investment and endeavour from the private and third sectors, in order to bolster the economy.

BBC: The Scottish budget fight begins