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
- 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； - 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。 - 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。 - 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 - 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。 - 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。 - 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。 - 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 - 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。 - Numerical simulation of particles impacting multiple-grain size bed in saltation
风沙跃移中颗粒与多粒径床面碰撞的数值模拟