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
- 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； - 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。 - 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。 - Analysis and Adjustment on Undulation of Furnace Practice for No.6 Blast Furnace of Baotou Steel
包钢6~高炉炉况波动的分析和调整 - Some people have it easier to learn the dolphin kick and body undulation than others, and it seems that girls learn this motion faster than boys.
有些人把它易于学习海豚式打腿和身体的波动，似乎比其他女孩比男孩学习这个动作快。 - 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； - Based on an analysis of the filament winding pattern and filament undulation, a new method for calculating the elastic modulus of filament winding composites is presented.
层板区域用经典层板理论计算弹性模量；纤维束波动区域根据纤维波动的细观图形及走势计算弹性模量。 - 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。 - 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。 - 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。