专业字典>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

          • 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。
          • First, wavelet transform method was used to check saltation points. Second, the response of the variance of soil moisture of each layer was explored through the analysis of mutual spectrum.
            研究运用小波变换对各层土壤水分序列的突变点进行了检测,根据相干谱和互谱特征分析了各层土壤水分变化的响应关系;
          • 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。
          • 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。
          • 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。
          • 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。
          • 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。
          • Distribution of Initial Velocity of Lift-off Sand Particles in Aeolian Saltation Numerical simulation on influence of diffusion performance on airstream distribution in a room
            风沙流中沙粒起跳初速度分布的探讨风速对室内气流分布影响的数值仿真
          • 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。
          • The trajectory and the movement parameters of saltation were obtained.
            计算了跃移轨迹,得到了跃移的诸运动要素。