与其它方法相比，溶胶-凝胶法有着极大的优势。

Compared with other methods, the sol-gel method has great advantage.

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简述了溶胶—凝胶法应用的近期进展以及该方法的优缺点，并对发展前景作了展望。

The recent progress in the application of sol-gel method and its advantages and disadvantages …

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第二种方法：溶胶凝胶-燃烧法。

The second method is sol-gel combustion method.

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第二种方法：溶胶凝胶-燃烧法。

The second method is sol-gel combustion method.

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