threedimensional reconstruction的用法和樣例：
例句
- Our implementation only needs to render one quadrangle for 3D reconstruction.
文中演算法僅需繪製一個四邊形即可完成三維重建。 - Without complex 3D reconstruction processes, the implementation of the pointing system is based on image analysis, homography, and 3D geometry.
此系統避開以往複雜的三維重建方式，改以影像分析技術，平面投影轉換及三維幾何等數學理論，作為系統實作的基礎。
