Because of inadequate preparation for the theory and lack of the thorough study, Problems exist both in theory and in practice.

由于理论准备不足，研究不够深入，在理论和实践上都存在一些问题。

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The couples asked not to be named since both are currently going through the waiver process by admitting to alcohol problems they do not believe exist.

他们请求不要署名，因为，在他们承认了自己并不认为存在的酗酒问题后，他们当下得以经过豁免程序。

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Now, though, people in intelligent diagnosis technology research done a lot of research work, but both in theory and in the practical application of all there still exist many problems to be solved.

目前，尽管人们在智能诊断技术的研究方面做了大量的研究工作，但无论是在理论方面还是在实际应用方面都还存在许多问题有待于研究解决。

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