But report on systematic research work about microstructure and property degradation of serviced turbine blades is limited.
已有研究中，对长时服役后的叶片组织退化和性能损伤的评价研究较少。
Therefore, much systematic and intensive research work is still needed to enhance the performance of SMAs, especially to increase their bandwidth, fatigue life and stability.
因此，对形状记忆合金进行系统和深入的研究仍旧是必要的，特别是在增加形状记忆合金的带宽，疲劳寿命和稳定性方面。
The research work of this paper lies in the research of systematic realization and important technology mainly.
本论文的研究工作主要在于系统的实现和重要技术的研究上。
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