beam-to-beam spacing 电子束间隔
virtual beam spacing 虚横梁间距
spacing of hatchway beam 舱口梁间距
spacing of beam 梁间距
A shaped beam base station antenna is realized with the unequal spacing array using an optimization technique based on genetic algorithms.
本文利用遗传算法对不等间距阵列天线进行优化，实现了一种赋形波束基站天线。
By the analysis of average crack spacing, the maximum cracks width, crack height of the reinforced beams. derived a maximum crack width formula for the reinforced beam.
通过对加固梁平均裂缝间距、最大裂缝宽度、裂缝高度等的分析，推导出了加固梁最大裂缝宽度计算公式。
Horizontal and vertical tie rods, fixed in the transverse waling to be erected between beams with spacing of 750mm to form an integrated beam to prevent displacement.
梁之间设纵横向水平牵杆将所有梁连成整体，防止移位。间距为750 mm，并固定在横向围檩上。
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