saltation
英
美
n. 跳跃;跳动; (沙石、泥等的)跃移; 突变,飞跃
复数:saltations
英英释义
noun
- a light, self-propelled movement upwards or forwards
- taking a series of rhythmical steps (and movements) in time to music
- an abrupt transition
- a successful leap from college to the major leagues
- (genetics) a mutation that drastically changes the phenotype of an organism or species
- (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
- Advances and Problems of Study on Saltation Particles in Wind Sand Current
风沙流中颗粒跃移研究的某些进展与问题 - When a particle is dislodged from the surface it moves downstream by suspension, surface creep, or saltation.
颗粒脱离表面后,以悬浮,爬行或跳跃形式向下游运移。 - 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。 - 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 - 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; - My thought saltation has been possibly very quick!
可能我的思想跳跃太快了! - 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。 - This type of transport is called saltation.
这种类型的搬运称为河底滚沙。 - 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。 - 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