此外，还指出了该方法目前存在的不足及今后的研究方向。
In addition, the shortcomings of this method are shown so that the heading is definite.
但目前的研究在研究角度、研究内容、研究理论、研究的学科分布等方面还存在不足。
But there are some inadequacies of Angle, content, theory and subject distribution of study currently.
探讨了目前研究中存在的问题和不足，展望了研究与应用前景。
There are still some shortages for the application at present, but with bright future.
探讨了目前研究中存在的问题和不足，展望了研究与应用前景。
There are still some shortages for the application at present, but with bright future.
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