The calculations show that the plan of two transversal and one longitudinal secondary beam planning is more reasonable.
综合分析表明，采用两横一纵的次梁布置方案较为合理。
It discourses on the effects between the secondary beams in the floor slab of intersecting-beam system and points out the problems which happen usually.
论述了交叉梁系楼面结构体系中次梁间的相互作用，指出其中易出现的问题。
If the optical head is on track, then the primary beam will be centered on a track (with pits and bumps) and the two secondary beams will be centered on land.
如果光学头在轨道上，主激光束将处于轨道中心，两个副光束处于轨道之间。
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