undulation

英 [ˌʌndjuˈleɪʃn]

美 [ˌʌndʒəˈleɪʃn]

n.  波浪形; 起伏; 波动; 荡漾

复数：undulations　

医学

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
  Synonym:wave
• wavelike motion
• an undulating curve
  Synonym:wave

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。
• 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。
• 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！
• The maximum difference of geoid undulation between the model and EGM96 ( to70 degrees) is2.
  该模型与EGM96相比（70阶次），大地水准面起伏差异最大为2。
• 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。
• 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。
• Undulation in displacement monitoring curve of slope both reflect abrupt changes which nature and manpower bring about and reflect influence of ambient noise.
  边坡深部位移监测曲线中的波动现象既反映了自然活动和人工活动使边坡内部位移产生的突变；也反映了噪声对其造成的影响。
• 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 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；
• 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。