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
- 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 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； - 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。 - So that's it, these are the11 drills to learn the body undulation and dolphin kick!
原来如此，这些都是11演习，学习身体波动和海豚踢！ - To report to quality control manager on serious defects, serious property undulation on products, serious deviations on operations and daily inspection result.
向质量经理汇报产品的重大质量缺陷、严重质量波动、严重操作不当以及每日检验结果。 - The undulation on the top curved surface is quite suitable for the shape of adults'hands, according with Ergonomics.
因为是手持产品，在顶部曲面的凹凸起伏，充分适合成年人的手型，让人们在进行抓握动作的时候更符合人机工学。 - But he could see the prisms in the deep dark water and the line stretching ahead and the strange undulation of the calm.
但是他可以看见漆黑的海水深处的彩虹七色，面前伸展着的钓索和那平静的海面上的微妙的波动。 - 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。 - 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 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；