Projection methods的用法和样例：
例句
- Two methods, the stereo-analytical method and the time-vector method used for calcu1ation are ones through parallel moving discontinuous surfaces.
所采取的赤平投影方法和矢量分析法均是平移结构面进行计算。 - Compared with other image re-projection methods, this method needs only two reference images and is easy and quick to be implemented.
和其他基于图像的二次投影方法相比，这里仅需要两幅参考图像，且实现方法简单快速。
