alluviation

n. 沉积作用

例句与用法：

Bangkok is surrounded by a vast, damp, alluvial plain, crisscrossed by a network of klong.

曼谷为一个广阔潮湿的冲积平原所环绕，有纵横交错的运河网。

Low-lying alluvial land adjacent to a river.

低洼地，滩地与河流邻接的低洼冲积地带

alluviation

alluviation[ə,lju:vi'eiʃən]n.1.■【地质学】冲积(作用)

alluviation

名词 alluviation:

the phenomenon of sediment or gravel accumulating

同义词：deposit, sedimentation

alluviation

■About fifteen thousand years ago, the delta swelled and in time land was formed through alluviation.

15000年以前，古三角洲隆起，逐渐冲积成了陆地。

■CHARACTERISTICS OF RUNOFF AND SEDIMENT AND REGULARITY OF ALLUVIATION AND SILTATION IN EAST AND SOUTH DONGTING LAKE

东、南洞庭湖的径流、泥沙特征及冲淤规律

■Before 1000000000, here ever was the sea, current flow falls, a few degrees of alluviation, kept this land eventually.

千百万年前,这里曾是沧海,潮涨潮落,几度冲积,终于留下了这块土地。

■Hole Forming Mechanics Analysis of the Bored Filling Pile on the Bridges in Alluviation Overburden Area

厚冲积覆盖层地区桥梁钻孔灌注桩成孔的力学分析

■Bengladesh is famous for floods. Flood bring disast to them, at the same time, it can fetlilize the field . There are many rivers around Bengladesh . It formed by alluviation.

孟加拉国以洪水为名，洪水带来灾难的同时也给土壤带来了丰富的肥料。这个国家的河流特别多，它就是河流冲积而形成的一个国家。

■Appropriate basically distributings first-classly n cultivated land in altitude Campagna mixes 300 meters of the following river valley alluviation near the village.

宜耕一等地主要分布在海拔300米以下的河谷冲积平原和村庄四周。

■Shijiazhuang reposes in the alluviation of sector of river of Hu a small bay in a river that has long history and bright culture on Campagna.

石家庄座落在具有悠久历史和灿烂文化的滹沱河扇形冲积平原上。

■And becomes by alluviation of these 3 Jiangshui in successive years 3 rivers Campagna, also ripe humanness knowledge.

而由这三条江水连年冲积而成的三江平原,亦熟为人识。

■Keywords Yellow River;alluviation;silt;compaction;settlement;pavement structure;

黄河;冲淤积;粉土;压实;沉降;路面结构;