开区域 [
kāi qū yù]
[数] open region
- 目前,世界其他地区已经遍开区域经贸合作之花,而东亚地区也开始了区域经贸合作的初步尝试。
While regional trade cooperation prevails in many areas in the world, East Asia begins to try the cooperation. - 考虑了在有限维空间中包含在某一有界开区域中的所有有界开凸子集所成空间上的拓扑,给出了一个相关的完备的度量空间。
In finite dimensional space form a bounded open domain, we study some open convex subsets and it's topology, then give a complete metric space. - 利用有限元分析方法,计算直升机尾梁连接平尾开孔区域的应力分布,并以此为依据设计并优化复合材料结构替代原金属结构。
The stress distribution of a rotorcraft 's tail beam with an open hole were analysed using finite element method. Composite laminate were designed to replace the original metal shell.
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