但仍存在一些不足，笔者试着从这方面提出若干建议。
But there still exists some inadequacy in the Regulations. The author tries to provide some comments in this respect.
测试设计和分析方面仍存在一些不足，还有待于进一步探讨。
There are still some defects and limitations in the research design and analysis therefore, further study will be needed.
国内部分学者对这个问题进行了研究分析，但仍存在一些不足之处。
There are some studies on this problem, which still have some shortages.
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