火范文>英语词典>saltation翻译和用法

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

          • The differences between surface creep and saltation are gradual and it is difficult to draw a fixed dividing line.
            表面爬行和跳跃之间的差别是渐变的,它很难划一条固定分界线。
          • This type of transport is called saltation.
            这种类型的搬运称为河底滚沙。
          • Numerical Simulation and Experiment on the Sand Saltation Trajectory
            沙粒跃移轨迹的数值模拟与实验研究
          • By using the wavelet transform and the non linear optimization, we calculated parameters and determined the saltation edges of the differential ECG.
            该文应用小波变换对信号突变点检出的理论对微分心电信号进行分析,并用非线性最小二乘法进行参数拟合,确定了突变点的位置。
          • 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。
          • Frequency saltation and scope saltation are chosen to simulate the fault signal, which is processed with the algorithm of wavelet and digital filter.
            选取频率突变和幅值突变仿真故障数据,分别采用小波分解和数字滤波的方法进行处理。
          • Saltation can eject dust aerosols into the atmosphere, create sand dunes, and erode geological features.
            跃移运动能产生沙尘浮质、形成沙丘地貌和侵蚀地貌。
          • We first consider this minimum velocity for horizontal flow, the saltation velocity.
            首先讨论在水平流动时的最低速度,即沉积速度。
          • This dissertation focuses on the study of field observation and numerical simulation of unsteady sand saltation in nonstationary wind field.
            本学位论文针对非定常风场中的跃移JxL沙流开展了野外观测与数值模拟方面的研究。
          • My thought saltation has been possibly very quick!
            可能我的思想跳跃太快了!