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。
Welding techniques shall be selected to ensure that specified tolerances for straightness and out - of - roundness are not exceeded 选用焊接技巧应保证不超出指定的直线度和圆度允差。
Wallcoverings in roll form - determination of dimensions , straightness , spongeability and washability ; german version en 12956 : 1999 滚涂型墙壁涂料.尺寸,平直性,防水性和可洗涤性的测定
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。
Wood - based panels ; determination of dimensions of boards ; part 2 : determination of squareness and edge straightness ; german version en 324 - 2 : 1993 木质板料.板料尺寸测定.垂直度和棱边平直性测定
Roundness inspection machine tokyo seimitsu inspection roundness , straightness squareness for control the vibrancy and precision of bearings 测量圆度直线度圆柱度垂直度，控制成品的振动和精度
Flexible sheets for waterproofing - determination of length , width and straightness - part 1 : bitumen sheets for roof waterproofing 防水挠性薄板.长度宽度和垂直度测定.第1部分:屋顶防水用沥青毡片
Flexible sheets for waterproofing - determination of length , width and straightness - plastic and rubber sheets for roof waterproofing 防水柔性板.长度宽度和平直度的测定.屋顶防水用塑料和橡胶薄板
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。
Flexible sheets for waterproofing - determination of length , width and straightness - part 1 : bitumen sheets for roof waterproofing ; german version en 1848 - 1 : 1999 防水软板.长度宽度和平直度测定.第1部分:屋顶防水
