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闭合约束
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  “闭合约束”译为未确定词的双语例句
     Through the comparison and analysis of each scheme and combined the situation of work site, this paper proposed a scheme which can deal with the leveling network in which there are 7 restrain condition with the method of adjustment by selecting proposal stable points, it had proved that the scheme is optimistic solution and tally with the actual situation.
     通过各种计算方案的比较分析,并结合现场的实际情况,提出了选用拟稳平差,处理含7个闭合约束条件水准网的解算方法,它是一较优且和实际相符的方案。
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  相似匹配句对
     FATIGUE CRACK CLOSURE ANALYSIS UNDER TRIAXIAL STRESS CONSTRAINT
     三轴应力约束下疲劳裂纹闭合分析
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     THEORY OF CONSTRAINTS
     约束理论
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     programming and constrained D.
     规划和约束D.
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     Constraints on the timing of opening and closing of the Tianshan Pa leozoic oceanic basin:Evidence from Sinian and Carboniferous vol canic rocks
     天山古生代洋盆开启、闭合时限的岩石学约束——来自震旦纪、石炭纪火山岩的证据
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     Introducing Closed Developing Software-CDS
     闭合开发软件CDS
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  closed confinement
The plasma losses in closed confinement systems are determined by the diffusion across the magnetic field, which substantially increases the plasma lifetime as compared to mirror confinement systems.
      
Among other things, closed confinement facilitates climate control and automation of some tasks such as feeding and watering.
      
Most modern swine operations raise thousands of animals in closed confinement buildings.
      


A hierarchical map representation approach based on active loop closure constraint is proposed to implement mobile robot simultaneous localization and mapping(SLAM)efficiently with the Rao-Blackwellized particle filters(RBPF).The hierarchical map includes the local metric map and the global topological map,and in the global level an active loop closure strategy based on information entropy is proposed to reduce the map uncertainty as well as the robot trajectory uncertainty.The estimation of relative locations...

A hierarchical map representation approach based on active loop closure constraint is proposed to implement mobile robot simultaneous localization and mapping(SLAM)efficiently with the Rao-Blackwellized particle filters(RBPF).The hierarchical map includes the local metric map and the global topological map,and in the global level an active loop closure strategy based on information entropy is proposed to reduce the map uncertainty as well as the robot trajectory uncertainty.The estimation of relative locations between local metric feature maps is maintained with local map alignment algorithm,and a minimization procedure is carried out using the loop closure constraint with backward correction to reduce the uncertainty between local maps.The robot is only equipped with monocular vision and odometer,and the robust observation model is constructed;Scale invariant feature transform(SIFT)is used to extract image features served as the nature landmarks,and SIFT features are invariant to image scaling,rotation,and change in 3D viewpoints,which are highly distinctive due to a special technique for their description.A fast nearest neighbor search algorithm using KD-tree is presented to implement SIFT feature matching in the time cost of O(log2N).Experiments on the real robot show that the proposed method provides an efficient and robust method for implementing SLAM.

基于Rao-Black wellized粒子滤波器提出了一种基于主动闭环策略的移动机器人分层同时定位和地图创建(si multaneous localization and mapping,SLAM)方法,基于信息熵的主动闭环策略同时考虑机器人位姿和地图的不确定性;局部几何特征地图之间的相对关系通过一致性算法估计,并通过环形闭合约束的最小化过程回溯修正.在仅有单目视觉和里程计的基础上,建立了鲁棒的感知模型;通过有效的尺度不变特征变换(scale invariant feature transform,SIFT)方法提取环境特征,基于KD-Tree的最近邻搜索算法实现特征匹配.实际实验表明该方法为实现SLAM提供了一种有效可靠的途径.

 
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