在总结前人工作的基础上，提出了密近双星演化链研究中有待进一步研究的问题。
And on the basis of the previous work, the difficulties in studying the evolutionary links are presented.
本文在总结前人工作的基础上，针对正常心拍与室性早搏的识别分类做了进一步的深入研究。
Based on previous work, this paper focuses on the further research on recognition and classification of ventricular premature beats and normal beats.
本文通过对上海软粘土流变特性的试验研究，在总结前人工作的基础上提出了一个带双屈服面的流变模型。
From tests on Shanghai soft soil and predecessors' works a double yield surface rheologic model has been introduced.
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