We investigate the time evolution of the entanglement in the interacting system of a single two-level atom and a single mode coherence field with phase decoherence.

研究了存在相位退相干时原子与光场相互作用的纠缠演化和保持。

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The results reveal that the main contribution to the mutual coherence function comes from coherence field, and the contribution of incoherence field can not be neglected.

结果表明，在该通信中，互相干函数的主要贡献来源于相干场，而非相干场的贡献也是较大的。

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Cohesion and coherence are two important concepts and study projects in the field of discourse analysis.

语篇衔接与语篇连贯是语篇分析领域中的两个重要概念，也是语篇分析的重要课题。

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Liaise and collaborate with UN agencies, bilateral and multilateral development partners at regional and international levels, civil society organizations, the private sector and other stakeholders in order to promote coherence in the field of Disaster Risk Reduction and Education within the framework of the International Strategy for Disaster Reduction (ISDR) and the Hyogo Framework for Action.

UNESCO: Vacancy : Programme Specialist (20/6/2011) (ED 005 - (P5))