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
- 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。 - 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。 - To swim butterfly correctly it is important to have mastered the body undulation and dolphin kick first before adding the arm movement.
游泳是很重要的蝴蝶正确掌握身体的海豚式打腿前、岩面起伏及其裸露程度增加臂的运动。 - 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。 - 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； - 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。 - Factor effecting injection quantity uniformity were briefly analyzed, and the undulation quantity and injecting pulse revising was put forth to meet the respective demand.
简要分析电控喷油器的均匀性影响因素，提出了压力波动量控制的办法和喷油脉宽修正的办法满足小喷油量均匀性要求。 - A broad and deep undulation of the ocean.
海洋中一种宽而深的涌或波动。