In this paper coherent excitation of two-photon resonance in three-level systems is discussed.
本文研究了双光子共振相干激发三能级系统的问题。
Inhibition level of the different samples disposed to the three systems was different.
经不同处理得到的样品对三个系统的抑制程度有所不同。
This paper firstly discusses three kinds of level in the fineness hierarchy of semantic roles, and introduces their application in some systems of natural language processing(NPL).
本文首先讨论语义角色的三种精细程度不一的分类层级，介绍它们各自在语言信息处理系统中的有关应用。
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