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Keywords temporal database;spatio-temporal expansion;relational algebra;predicates;spatial moving objects;spatio-temporal data model;spatio-temporal data visualization; 时态数据库;时空扩展;关系代数;谓词;空间运动对象;时空数据模型;时空数据可视化;
spatial moving objects 空间运动对象
Every moving object has the capacity to do work. 每一个运动的物体都具有做功的本领。
It takes skills to take pictures of moving objects. 拍摄移动的物体是需要一些技巧的。
The dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere. 空气动力学相对于气体的物体移动，特别是移动物体与大气相互作用的动力学
A bright moving object appeared in the sky at sunset. 日落西山时,天空出现了一个移动的发亮物体。
It is not necessary that the moving object actually do work. 运动着的物体不一定实际上在做功。
Then TPR-tree is used to index the moving objects in each bucket. 对每个速度桶中的移动对象，则利用TPR树进行索引。
Because of inertia, a fast moving object can not stop immediately. 由于惯性,快速运动的物体不能一下子停下来。
In simplest terms, this is the energy of a moving object. 用最简单的术语来描述，机械能就是移动着的物体拥有的能量。
Anstis SM (2003) Moving objects appear to slow down at low contrasts . Anstis钐（ 2003年）移动物体出现放慢在低反差。
Detection algorithm for infrared moving objects based on gray delaminating[J]. 引用该论文杨根;张艳宁;郗润平.
The path along which a freely moving object travels through the air. 空中自由飞行物飞过的路线。
Compaction: Move objects in memory to remove unused space between them. 压缩:在内存中移动对象,来移除它们之间无用的空间。
Experts say failing to watch a moving object may be a sign of autism. 专家认为无法看清移动的物体可能是个得了自闭症的信号。
The dynamics of bodies moving relative to gases,especially the interaction of moving objects with the atmosphere. 空气动力学相对于气体的物体移动，特别是移动物体与大气相互作用的动力学。
It decomposes sequences into video object planes (VOPs) so that each VOP represents one moving object. 它把图像序列分解成视频对象平面(VOP),每个VOP代表一个运动对象。
Mass and speed are the two factors that determine the kinetic energy of a moving object. 质量和速度是决定运动物体动能的两个因素。
A Study on the Spatial Move Mode of Tourist Flows in Scenic Area 风景旅游区游客流空间移动模式的实证研究
Abstract A novel nonparametric multimodal background model was proposed to detect moving objects. 摘要提出了一种用于检测运动目标的非参数多模态背景模型。