The article describes the plane and three-dimensional design of basic construction unit of residence for old citizens in accordance with physical and psycho - logical characteristic.
文章根据老年人的生理心理特征，叙述老年住宅基本建筑单元的平面及立体设计。
2
In this paper, a three-dimensional precise conformal radiotherapy treatment planning system based on a cobalt-60 teletherapy unit is introduced.
研制了一套基于钴-60远距离治疗机实现肿瘤精确适形放射治疗的计划系统。
3
Laser three-dimensional shaping is a new research hotspot, and powder feed unit is the key to this technology.