... 稻麦轮作生态系统 rice-wheat rotation system 三波共振 resonant triad 光谱的 spectral ...
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In this thesis we study the interaction of the elementary excitations generated in BECsThe first part of the thesis is the investigation of three-wave resonant interaction of the elementary excitations created in a disk-shaped BEC.
本文基于BEC内原子间存相互作用这一特点开展BEC中元激发的相互作用方面的研究。 论文的第一部分研究准二维盘型BEC中元激发的三波共振相互作用。
参考来源 - 玻色—爱因斯坦凝聚中元激发的相互作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，三波共振和二次失稳这两种机制都存在。
The results show that mechanisms of both resonant triad and secondary instability do exist.
三波共振相互作用低频振荡周期与初始扰动振幅有很强的相关关系；
The low-frequency fluctuation periods and the initial amplitudes have close relationship in the resonance interaction.
世界排名第三的网坛名将玛丽亚•莎拉波娃在上周四接受核磁共振检查后发现右肩有两条肌腱轻微撕裂，因此宣布退出北京奥运会。
[Agencies 2008-08-05 09:03 ]--World number three Maria Sharapova pulled out of the Beijing Olympics on Thursday after an MRI scan on her right shoulder revealed two small tears.
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