后束 meaning in English
fasciculus posterior
posterior cord
Examples
- The result shows that the halo intensity factor becomes zero after it is controlled , other statistical physical quantities , such as r ( subscript ms ) and p ^ 2 and related average emittances are obviously reduced
结果表明，加控制后束晕强度因子变为零，束均方根半径、束横向动量平方和的平均值和束横向平均发射度比控制前都明显减小。 - The focusing properties of gaussian beams through a compound optical system are discussed . based on the matrix optical method , formulae of the beam width at the focal plane and imaging distance of focused gaussian beams through the system are derived
讨论高斯光束经复合光学系统的聚焦特性，利用矩阵光学方法，推导出了高斯光束经复合光学系统聚焦后束腰宽度和像距的计算公式。 - Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance , the compression effect of bunch length , change of energy dissipation and achromatic angle of true a - magnet are explored . this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system
利用gpt程序对30mevlinac中的-磁铁进行了动力学模拟，给出了电子束在-磁铁中的运动图像，研究了注入器输出束流经过-磁铁后束流发射度的变化、束团长度的压缩效应、能散度的变化以及-磁铁实际的消色散入射角。