nivation
/nahy-vey-shuhn/US // naɪˈveɪ ʃən //UK // (naɪˈveɪʃən) //
激励,激励机制,激励作用,激励措施
Definitions
n.名词 noun
- 1
Geology.
- : erosion resulting from the action of frost beneath a snowbank.
Examples
Thus far only those volcanoes have been considered which have been modified by nivation.
The process of nivation, or snow erosion, does not always produce visible effects.
He has adequately shown the manner in which that phase of nivation is expressed which we find at the border of the snow.
It would at first sight appear impossible to distinguish between these changes through the results of nivation.
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