undulation

n.

波动；波荡；

1. As an assistant one to the shipping industry,which is fluctuated with the undulation of the shipping.
   船供行业作为航运业的一个辅助行业也会随之波动而受到影响。
2. Factor effecting injection quantity uniformity were briefly analyzed, and the undulation quantity and injecting pulse revising was put forth to meet the respective demand.
   简要分析电控喷油器的均匀性影响因素，提出了压力波动量控制的办法和喷油脉宽修正的办法满足小喷油量均匀性要求。
3. When a gust of wind blows across the sea-like desert, the undulation of the sand has the shape of the wind imprinted on it.
   当万里长风吹过翰海，沙的起伏留下了风的形状。
4. But some unexpected enthusiasm and undulation are needed under the rational business imprints.
   但是理智的商业印记下，也需要一些出乎预料的激情和起伏。

Undulation instability of lipid membranes under an electric field
Undulation instability of lamellar phases under shear: A mechanism for onion formation?
Undulation Traveling Wave Convection in Binary Fluid Mixtures in an Intermediate-Aspect-Ratio Cell
Undulation instability for lamellar phases under shear: a mechanism for onion formation? Eur Phys J B
Pectoral fin locomotion in batoid fishes: undulation versus oscillation
Fluctuation analysis of tension-controlled undulation forces between giant vesicles and solid substrates.
Direct evidence for the undulation of the 660‐km discontinuity beneath Tonga: Comparison of Japan and California array data
A synchrotron X-ray study of competing undulation and electrostatic interlayer interactions in fluid multimembrane lyotropic phases
Rosenberger, L.J. Pectoral fin locomotion in batoid fishes: undulation versus oscillation. J. Exp. Biol. 204, 379-394
Muscular mechanisms of snake locomotion: an electromyographic study of lateral undulation of the Florida banded water snake (Nerodia...