您要查找的是不是：
- quad tree segmentation technology 四叉树分割技术
- Whether we are talking about binary trees, quad trees or octrees, it doesnt matter, just build the darn thing recursively. 不管我们讨论的是二叉、四叉还是八叉树，都没有区别，都是递归的方法。
- QUAD TREE PLANE SURFACE APPROXIMATION METHOD FOR IMAGE CODING 图像的四叉树平面编码
- The LOD Terrain Simplification Based on Quad Tree and Geomorphing Correction 基于四叉树的LOD地形简化及几何变形纠正
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- She cleaned a small segment of the painting. 她把画儿上的一小部分擦干净了。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
- The company dominates this segment of the market. 这家公司控制了这一部分市场。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- He tethered his horse to a tree. 他用绳子把马拴在树上。
- The ivy twined round the oak tree. 长春藤盘绕着橡树。
- The length of any such line segment. 半距离这种线段的长度
- I saw the bird at the very top of the tree. 就在那棵树顶上我看到那只鸟。
