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[核]束流半径
1、turning radius───转弯半径，[机]回转半径；旋转半径；回转半径，转弯半径，转向半径
2、beam───n.横梁；光线；电波；船宽；[计量]秤杆；vt.发送；以梁支撑；用…照射；流露；n.(Beam)人名；(ALa伯)贝亚姆；(英)比姆；vi.照射；堆满笑容
3、gyration radius───回转半径
4、radius───n.半径，半径范围；[解剖]桡骨；辐射光线；有效航程；n.(Radius)人名；(意、印尼)拉迪乌斯；(英)雷迪厄斯；(法)拉迪于斯
5、curvature radius───曲率半径
6、radius gauge───半径规，半径量规；半径规; 半径量规; 半径样板; 曲度规
7、radius ratio───[物化]半径比
8、fillet radius───圆角半径；内圆角半径；齿根圆角半径；过渡圆半径
9、ionic radius───n.[物化]离子半径
1、Experimental research shows that laser induced damage thresholds (LIDT) are strongly dependent on the beam radius.───实验发现，光学材料的激光损伤阈值对激光光斑大小有强烈的依赖关系。
2、The damage threshold increased with the beam radius increasing, and decreased with the number of laser pulse increasing.───损伤阈值随光斑半径的增大而增大，随脉冲数目的增加而变小。
3、The relationship between space-charge fields and the beam radius is linear.───而空间电荷产生的束内电场与半径呈线性变化；
4、Simulation Investigation Effect on Beam Radius by Change of Filling Factor───填充因子的变化对束半径影响的模拟研究
5、If the new impact parameter exceeds the beam radius bmax, the animation is stopped and the accumulated data is analyzed.───如果新的碰撞系数超过了最大束半径，动画停止并且分析积累的数据。
6、Research on beam radius compensation algorithm for rapid prototyping technology───快速成型技术中的光斑半径补偿算法研究
7、damage threshold increased with the beam radius increasing, and decreased with the number of laser pulse increasing.───损伤阈值随光斑半径的增大而增大，随脉冲数目的增加而变小。
8、The effects of beam radius and cone angle of the axicon on the Z(subscript max) are also discussed.───同时，讨论光束半径和轴棱锥棱角对最大准直距离的影响。
1、The influences of gain rod length, pump beam radius, out couple transimitivity on laser threshold and slope efficiency are analyzed and design of the laser is optimized.
2、In the third chapter, using the second-order momentum of beam radius, the Rayleigh range and beam propagation factor of three different polarized beam arrays are derived.
3、Beam diagnostic devices including beam position, beam magnitude and beam radius diagnostic devices is widely used in Linear Induction Accelerator(LIA).