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
- 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。 - The pressure drop and saltation velocity predicted by the model are in good agreement with the experimental data from literature.
用文献实验得到的压降和转捩速度验证了所建模型和计算方法的正确性。 - 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。 - Saltation model of sand and its numerical analysis
沙粒跃移模型及其数值分析 - 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 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。 - 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。 - In order to obtain high precision data on grain saltation, the authors resorted to computerized image processing and recognition of the video images.
为获得有关颗粒跳跃的高精度数据，作者对摄像试验图像作了计算机图像处理和识别。 - Temperature field dynamic response to the saltation of casting speed, superheat and cooling water is investigated in this paper based on a lot of simulation computing.
本文通过大量的仿真研究了当拉速、过热度和冷却水量发生突变时，铸坯凝固温度场的动态响应过程。 - 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