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

• This system have sensitive control high stability, little output HV DC undulation, high anti-interference.
  本系统控制精度高、稳定性好、输出直流高压的脉动系数小、抗干扰性强。
• 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 dolphin kick and body undulation exercises simply teach you how to learn the technique described above.
  海豚式打腿练习和身体的波动只是教你怎么学技术前述。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。