兜兰的叶片形态结构和生理功能的进化与适应喀斯特地区匮乏的水肥条件有关。
The leaf morphological and physiological evolution of Paphiopedilum was related to water and resource-conserving traits in the karst habitat.
介绍了水轮机叶片修复用示教再现型弧焊机械手系统的基本结构、功能和示教方法。
This article presents main structure, function and teaching method of the teaching_playback arc_welding manipulator system which is applied to repair hydraulic turbine blade.
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