While I have doubts about the practical application of this theory in a business setting I'm not sure about telling a room full of workers they suck!

我虽然对这个理论在商业环境中的实际运用抱有疑问(我不能肯定我会对满满一屋子的员工讲他们很差会是什么情形！)

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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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But in wavelet parameters optimization problem, wavelet analysis in the application of the theory to the actual fault diagnosis system, has a large number of practical work to do.

但在小波参数的最优化问题上，在将小波分析的理论应用到实际的故障诊断系统中，还有大量的实际工作要做。

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