During ionospheric storm periods, the existing prediction methods for the critical frequency of ionospheric F2 layer(foF2) can not satisfy the requirements of the practical applications.
在电离层风暴期，现存的电离层F2层临界频率预测方法不能满足实际应用的要求。
The results show that the boundary layer scheme in atmospheric model may play an important role in simulating concentration of dust storm.
通过分析，作者认为大气模式中的边界层模式差异对沙尘暴中沙尘浓度的模拟能产生较大影响。
The observation in the Nanhui tidal flat demonstrates that sand layer is deposited by storm, and clay layer is deposited during normal weather.
潮坪观测证明，砂质单层是风暴沉积，而泥质单层是正常天气的沉积单元。
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