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
- Distribution of Initial Velocity of Lift-off Sand Particles in Aeolian Saltation Numerical simulation on influence of diffusion performance on airstream distribution in a room
风沙流中沙粒起跳初速度分布的探讨风速对室内气流分布影响的数值仿真 - 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。 - This type of transport is called saltation.
这种类型的搬运称为河底滚沙。 - 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 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。 - 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。 - 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。 - 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。 - Saltation model of sand and its numerical analysis
沙粒跃移模型及其数值分析