记作业>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

          • 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。
          • Particle saltation has both definite respect and stochastic respect.
            推移质颗粒跃移特性具有两重性,既有确定性的一面,也有随机性的一面。
          • Munitions were canoed across the river. This type of transport is called saltation.
            军火用独木舟搬运过河。这种类型的搬运称为河底滚沙。
          • 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。
          • 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。
          • 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
          • This type of transport is called saltation.
            这种类型的搬运称为河底滚沙。
          • 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。
          • 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。
          • 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。