当然系统还存在许多不足之处有待改进，特别是安全方面的问题还没有很好的考虑和实现。
But lots of improvements should be made for this system, especially the security issue which is not solved properly.
最后对研究过程和结果作分析，针对不足之处提出了改进办法，并提出了有待研究的新问题。
The article finally makes analysis on the research process and results, suggests countermeasures against deficiencies, and points out problems remaining to be solved.
在实际应用该套设备时，发现了该系统中还存在有一些不足之处和有待改进提高的地方。
In practice, the sets of equipment found in the system there are still some gaps and areas for improvement to improve areas.
在实际应用该套设备时，发现了该系统中还存在有一些不足之处和有待改进提高的地方。
In practice, the sets of equipment found in the system there are still some gaps and areas for improvement to improve areas.
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