graphics engine的用法和样例：
例句
- The graphics engine maintains the coordinates of geometric shapes in a path in world coordinate space.
图形引擎在世界坐标空间中维护路径内的几何形状的坐标。 - The graphics engine can have its quality scaled in the aforementioned pre-startup game configuration window, so that it will run more easily on less robust systems.
游戏的图形引擎也可以在前述的游戏开始前的配置窗口中进行调整，以使游戏在配置较差的系统上也能顺利运行。
