Hybrid culling technique based on blocks and triangle faces and simplified computing method for screen-space errors are employed to select appropriate terrain nodes rapidly.
运用基于块和三角形面片的混合裁剪模式，结合简化的高度差投影计算方法，快速选取适合的地形节点；
It has been a crucial technology to select correct landing site in complex terrain for planetary soft landing.
在复杂地形条件下实现着陆点的准确选取已成为行星软着陆的一项关键技术。
It has been a crucial technology to select correct landing site in complex terrain for planetary soft landing.
在复杂地形条件下实现着陆点的准确选取已成为行星软着陆的一项关键技术。
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