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
- 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 - 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。 - 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。 - 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。 - Simulation to the sand saltation is carried.
同时采用单一轨迹法对沙粒的跃移进行了数值模拟。 - 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。 - Research on Sand Saltation Splash Function by High Speed Digital Camera
沙粒跃移击溅函数的高速数字摄像研究 - 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。