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- A method to evaluate spatial straightness errors adopting particle swarm optimization (PSO) is proposed. 摘要提出了一种满足最小区域法的空间直线度误差评价的新方法一粒子群算法。
- According to minimum zone condition, mathematical model of spatial straightness together with the optimal objective function is set up. 根据最小区域条件，建立了空间直线的数学模型以及优化目标函数。
- It can be applied to deal with the measured data of spatial straightness obtained by three coordinate measuring machines (CMM). 可用于二坐标测量机等测量系统的空间直线度误差测量的数据处理。
- Spatial straightness error is one of the most complex geometric errors, and its evaluating algorithms are under exploration. 摘要空间直线度误差是最复杂的形位误差之一，其评定算法一直处于探索之中。
- Illustrations show that PSO method is capable in evaluating nonlinear optimization problems such as spatial straightness error and can obtain optimal solutions. 实例表明该方法对于空间直线度误差评定等非线性优化问题能得到最优解。
- The arch feed was replaced with bowstring feed in spatial arch interpolate, or circular arc was replaced with spatial straight line. 空间圆弧粗插补用弦进给代替弧进给，即用空间直线代替圆弧。
- Uncertainty Estimation of Spatial Straightness Least-square Evaluation Result 空间直线度最小二乘评定结果的不确定度估计
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- She gave it to me straight from the shoulder. 她坦诚地批评我。
- Lisa said my name wrongly so I set her straight. 莉莎把我的名字说错了，我便加以纠正。
- I just want a straight answer to the question. 我只需要得到对这个问题的明确答案。
- Go straight on until you come to a bus stop. 你一直往前走，直到公共汽车站为止。
- She has straight, not curly hair. 她的头发很直，不弯曲。
- The liner flew straight to Nanjing. 客机直达南京。
- He drew a straight line on the paper. 他在纸上画了一条直线。
- Come straight away after school. 放学后直接回家。
- The speaker came to the point straight away. 讲演者直述要点。
- No one has ever doubted his straightness. 从来没人怀疑过他的率直。
- A hare hopped straight into the doorway. 一只野兔跳进了门廊里。
