saltation

英式音标：[sæl'teɪʃən]

美式音标：[sæl'teɪʃən]

词汇分类：地理学专业英语基础（自然地理）,遗传学 Genetics

概况：

n. 突变；跳跃

词义：

n.

跳跃；滚沙；沙暴；

英英释义

saltation[ sæl'teiʃən ]

n.

(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface

a mutation that drastically changes the phenotype of an organism or species

an abrupt transition

同义词：leapjump

taking a series of rhythmical steps (and movements) in time to music

同义词：dancingdanceterpsichore

a light, self-propelled movement upwards or forwards

同义词：leapleapingspringboundbounce

用法：

双语例句

用作名词(n.)

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

权威例句

Saltation of uniform grains in air

Steady state saltation in air

Magnus effect in saltation

Saltation threshold on Earth, Mars and Venus

Simulation of Eolian Saltation

Effect of saltation bombardment on the entrainment of dust by wind

Evolution, revolution or saltation scenario for the emergence of modern cultures?

Wind modification and bed response during saltation of sand in air

Wind modification and bed response during saltation of sand in air

Laboratory measurement of electrification of wind‐blown sands and simulation of its effect on sand saltation movement

同义词：spring,mutation,jump

同根词：saltate

英语词源：

saltation (n.)

"a leap, a bound," 1620s, from Latin saltationem (nominative saltatio) "a dancing; dance," noun of action from past participle stem of saltare "to hop, dance," frequentative of salire "to leap" (see salient (adj.)).

造句：

1. This type of transport is called saltation.

这种类型的搬运称为河底滚沙。

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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。

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3. The differences between surface creep and saltation are gradual and it to draw a fixed 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。

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4. The differences between surface creep and saltation are gradual and it to draw a fixed 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。

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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。

-- 来源 -- 英汉 - 辞典例句

6. This type of transport is called saltation.

这种类型的搬运称为河底滚沙。

-- 来源 -- 英汉 - 辞典例句

7. 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。

-- 来源 -- 英汉 - 辞典例句

8. 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。

-- 来源 -- 英汉 - 辞典例句

9. saltation point

沉积点

-- 来源 -- 英汉 - 翻译参考[网络]

10. saltation transport

跳跃搬运

-- 来源 -- 英汉 - 翻译参考[网络]

11. saltation velocity

跃移速度

-- 来源 -- 英汉 - 翻译参考[网络]

12. 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。

-- 来源 -- 英汉 - 辞典例句