In this paper three-dimensional object field can be transformed into three-dimensional image field by the 4f Fourier lens system according to the theory and experiment.
本文从理论和实验上应用4 F富里叶变换透镜系统，把三维物场转换为三维象场。
The electrons interact with the atoms at the surface of the object, revealing the texture and structure with a depth of field that makes for a great three-dimensional sense of the target.
电子与物体表面的原子相互作用，以景深的方式揭示出物体的纹理和结构，使观察目标有了立体感。
CyberCity often involves the modeling of Wide-field complex ground object of nature and humanity, especially difficulty in building the three-dimensional model which cover the whole city.
数码城市往往涉及大范围复杂的自然与人文地物建模，尤其困难的是建立覆盖整个城市范围的三维城市模型。
应用推荐