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纵向轴 [zòng xiàng zhóu]
[机][数] longitudinal axis
- 植物体着生叶、芽和繁殖器官的纵向轴状结构。
Stem A longitudinal axis upon which are borne the leaves, buds, and reproductive organs of the plant. - 成像系统的频带宽度是决定B超仪纵向（轴向）分辨力的关键因素。
And the frequency bandwidth of the imaging system is the key factor to determine the axial resolution of B mode ultrasound diagnostic equipment. - 在应力波分析的基础上，对两根弹性杆纵向共轴撞击过程进行了动画模拟。
The animate simulation for the coaxial collision of two elastic bars is performed onthe basis of the analyses for the stress waves.
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