Through power spectrum analysis, there are three obvious common periods, 18 months, 26 months and 47 months, for ENSO events.
功率谱分析显示ENSO的冷事件和暖事件有三个共同的明显周期，即18个月、26个月和47个月；
Three obvious implications emerge from these estimates and the enormous amount of epidemiological research showing the connection between workplace stress and health problems.
这些估算结果以及证明工作场所压力与健康问题之间存在联系的大量流行病学研究，具有三方面的显著意义。
Three obvious implications emerge from these estimates and the enormous amount of epidemiological research showing the connection between workplace stress and health problems.
这些估算结果以及证明工作场所压力与健康问题之间存在联系的大量流行病学研究，具有三方面的显著意义。
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