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。 - 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 - 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。 - 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。 - 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。 - 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。 - My thought saltation has been possibly very quick!
可能我的思想跳跃太快了！ - 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。 - 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。 - 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。