However it may give rise to some practical problems.
但相应地也会带来一些现实问题。
However, there are still some problems in practical use.
但是在实际应用中，还存在一些亟待解决的问题。
Some other problems in practical application are analyzed at the end of the paper.
最后就实际应用中的一些问题进行了分析。
Some other problems in practical application are analyzed at the end of the paper.
最后就实际应用中的一些问题进行了分析。
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