The power spectrum analyses of the subtropical high indexes reveal a significant 11- and 22- years cycle, coupling well with the same cycle of slar activity.
后者的功率谱分析显示出存在着明显的11和22年振动，且和太阳活动相应的周期很好地耦合。
Sihetun is a typical area reprsenting the coupling relationship between volcanic activity and biological catastrophic events.
四合屯地区是开展中生代火山活动与生物灾难事件耦合研究的典型地区。
The result reveals that the ligands have good activity and the coupling proceeds fairly mildly.
结果表明这些膦配体具有很高的活性，反应可以在很温和的条件下进行。
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