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

• 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。
• 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。
• 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 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。
• 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。
• 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；
• 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。
• 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。
• 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。
• 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。