真正进行光合作用的是真茎伸长，包叶散开后，分枝处产生的针状“叶”，
马尾藻还因其高度分支、浆果状气囊和许多带锯齿边缘的叶片状拟叶而被称为海冬青。
Sargassums are also known as sea holly because of their highly Branched stems with hollow, Berrylike floats and many leaflike, sawtooth-edged Blades.
本文拟对关机过程中导叶小开度振动原因进行分析，并对机组关闭规律的优化方案及实施过程进行介绍。
The origin of the unit vibration in small guide vane opening is analyzed when the unit is closing and the optimal scheme of the unit closing law is suggested.
本文采用拟压缩性方法对不同积叠线弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。
The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.
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