saltation中文什么意思

n.
1.跳，跳跃。
2.舞蹈。
3.脉动。
+更多解释...4.【生物学】突变；菌落局变；不连续变异。
5.【地质学；地理学】河底滚沙。

• land saltation:    土地突变
• saltation flow:    跃阶式充填
• saltation load:    跳跃搬运物; 跃移质

例句与用法

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1. This type of transport is called saltation .
   这种类型的搬运称为河底滚沙。
2. 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。
3. 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。
4. 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。
5. 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。

英文释义

名词

1. a light, self-propelled movement upwards or forwards
   同义词：leap, leaping, spring, bound, bounce
2. taking a series of rhythmical steps (and movements) in time to music
   同义词：dancing, dance, terpsichore
3. an abrupt transition; "a successful leap from college to the major leagues"
   同义词：leap, jump
4. (genetics) a mutation that drastically changes the phenotype of an organism or species
5. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface