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
- Several pretty large logs may still be seen lying on the bottom, where, owing to the undulation of the surface, they look like huge water snakes in motion.
湖底还可以见到一些很大的木料，却因为水面的波动，它们看上去像一些婉蜒的巨大的水蛇。 - Undulation machines represent a new dimension in human technology, indicating that human consciousness has become elevated to some degree.
波动机器是人类科技发展的一个新兴领域，同时也意味著人类的意识层次已经有了某种程度的提升。 - This paper probes emphatically into the accuracy uncertainty of LSMM from atmospheric condition and terrain undulation by taking unmixing vegetation abundance based on LSMM as an example.
本文以线性光谱模型提取植被分量为例，探讨环境大气条件、地形因素对模型精度影响的不确定性。 - 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。 - 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。 - Stalagmite record revealed that Indian summer monsoon moved forward rapidly, and climate undulation on a century scale resulted in the change of the solar radiation.
石笋记录揭示印度季风的快速推进或退出以及百年尺度上的气候波动是太阳辐射量变化造成的结果。 - 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； - 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 - The effects of fabric micro structural parameters on elastic properties of woven fabric reinforced composites are investigated based on a two dimensional undulation model proposed by the author.
根据作者提出的二维波纹细观力学模型，在考虑了实际织物结构中存在的经向和纬向纤维的波纹； - A broad and deep undulation of the ocean.
海洋中一种宽而深的涌或波动。