的茎，叶，叶柄进行了结构植物学研究，实验结果发现，生长在白城地区的两种植物，都演化出了不同形态的抗盐碱结构。
The results show that the plants living in Baicheng city evolve various saline-alkali resistant structure, and different plant can use different way for adapt same or similar ecosystem.
本文针对几种不同形态的叶栅顶部间隙，在环壁转动与静止的不同情况下，研究间隙内的泄漏流动对三维粘性流场的影响。
In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。
Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
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