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
- 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。 - 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。 - 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。 - Saltation model of sand and its numerical analysis
沙粒跃移模型及其数值分析 - 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。 - 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。 - 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。