undulation
英 [ˌʌndjuˈleɪʃn]
美 [ˌʌndʒəˈleɪʃn]
n. 波浪形; 起伏; 波动; 荡漾
复数：undulations
BNC.24577 / COCA.28179
牛津词典
noun
- 波浪形；起伏；波动；荡漾
a smooth curving shape or movement like a series of waves
英英释义
noun
- (physics) a movement up and down or back and forth
- wavelike motion
- an undulating curve
双语例句
- In tries to move in the process, the oscillation amplitude and the electric current besides change along with the voltage undulation should be stable invariable.
在试运行过程中，振幅和电流除随电压波动而变化外应该是稳定不变的。 - The altimetry geoid undulation is mainly conducted by convergence between two or three plates, and its components at short wavelength characterize tectonics within basins.
测高大地水准面反映了研究区板块相互作用的特点，其高频成分可以刻画各海盆的构造特征。 - Compared with the same kind of tail balance technology, this technology can realize the dynamic balance, which decreases the motor load mutation and undulation, and makes the system run smoothly.
与同类型的尾平衡技术对比可知，该技术可实现滚动动态平衡，从而降低电机负载突变波动，使系统平稳运行。 - A study on the displacement system of lunar rover and its undulation based on semi-turning mechanism;
比较了一级半转机构和二级半转机构的起伏度，建立了月球车机构转杆正向运动学模型。 - 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。 - The difficulty is heavy, especially the undulation on the green, it is easy to get three putting.
这里的果岭难度很大，起伏特别大，很容易三推。 - And if your knees and your feet come out of the water, then your undulation motion is actually too large.
如果你的膝盖和脚露出了水面，那么你的摆动幅度就过头了。 - The robustness problem in the aerodynamic optimization of an aircraft wing is discussed in reference to the undulation of aircraft performance derived from uncertainty factors.
针对不确定性因素引起飞机性能波动的现象，探讨了机翼气动优化设计过程的稳健性问题； - It can be viewed as an outsized piece of furniture or a fragment of the landscape itself, in undulation above the ground.
它可以被看作是一家具或超大型景观本身的一块碎片，在地面起伏。 - Effects of Rail Undulation Wear on Vehicle Vibrations
钢轨波浪型磨耗对地铁车辆振动性能的影响