And it clarify the process of rectified model: replace terrain function to diffusion parameter, integrate rainfall function, drain function and seepage function to function item.

在此基础上叙述本文的城市洪水模型的改进过程：扩散系数用地面高程函数代替，综合降雨函数、渗透函数和排水函数形成函数项。

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The high-voltage capacitor structure comprises a two-step diffusion drain electrode structural layer, an oxide layer and a polycrystalline silicon layer.

高压电容结构包括双重扩散漏极结构 层、氧化层及多晶硅层。

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The two-step diffusion drain electrode structural layer is used for serving as a lower electrode plate of a high-voltage capacitor.

双重扩散漏极结构层用以作为一高压电容的下电极板。

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