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saltation

n.  跳跃;跳动; (沙石、泥等的)跃移; 突变,飞跃

复数:saltations 

化学

英英释义

noun

  • a light, self-propelled movement upwards or forwards
      Synonym:leapleapingspringboundbounce
    1. taking a series of rhythmical steps (and movements) in time to music
        Synonym:dancingdanceterpsichore
      1. an abrupt transition
        1. a successful leap from college to the major leagues
        Synonym:leapjump
      2. (genetics) a mutation that drastically changes the phenotype of an organism or species
        1. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface

          双语例句

          • Based on the saltation, creeping and stability models, a two-dimensional numerical model is established to study the development process of aeolian ripples.
            通过简单的跃移模型、蠕移模型和稳定模型对风成沙纹的形成过程进行了二维数值模拟研究。
          • Saltation model of sand and its numerical analysis
            沙粒跃移模型及其数值分析
          • The sensibility and the tasting are two basics and outstanding characteristics of saltation.
            情感性与审美性是舞蹈最基本、最突出的两个特点。
          • Discrete Dynamics Simulation on Developing Process of Aeolian Sand Saltation
            风沙跃移运动发展过程的离散动力学模拟
          • Grains moving in saltation receive most of their forward momentum directly from the pressure of the wind.
            在跳跃运动中的颗粒直接接受来自风压力的大部分向前的动量。
          • Saltation is the most significant in the three basic forms ( Saltation, Suspension and Creep) of sand movement blown by wind.
            在沙粒运动的三种基本方式(跃移,悬移和蠕移)中,以跃移运动最为重要。
          • This type of transport is called saltation.
            这种类型的搬运称为河底滚沙。
          • Usually, wavelet transform module maximum accords with saltation points.
            小波变换模的极值点常对应于信号突变点。
          • In order to obtain high precision data on grain saltation, the authors resorted to computerized image processing and recognition of the video images.
            为获得有关颗粒跳跃的高精度数据,作者对摄像试验图像作了计算机图像处理和识别。
          • Mutation analysis showed that the saltation of sunshine durations at tobacco growth period in western Henan occurred in1981.
            突变分析表明,豫西烟区烤烟生育期的日照时数在1981年发生突变。