在潮差逐日变化的半个朔望月的周期里，有朔望大潮，它与月相有关。
In the tidal difference daily variations, there is a period of half lunar month of syzygy spring tides related to the phase of the moon.
而且，模式能够较好地再现出对水汽输送至关重要的低空急流的逐日变化。
Furthermore, the model can represent the daily variation of the low level jet, which is crucial in the water vapor transport to the Yangtze-Huaihe valley.
结果表明，太阳活动对大气的影响，不仅在长周期变化中存在，在逐日变化过程中也同样存在。
The result shows that there exists the influence of sun activity on the atmosphere not only in long period variation but also in daily variation.
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