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
- 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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。 - 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。