sediments是什么意思

用法例句

In this paper,we determined the concentrations of characteristic elements in the ornithogenic sediment,local bedrock and fresh penguin droppings.

这与西南极阿德雷岛企鹅粪土层的生物标型元素组合是基本一致的。

The research shows that,in the same condition of ecological environment and cultivation,the flue-cured tobacco K326 growing in red purple soil and chicken dung soil,aroma components content of leaf were different significantly.

研究结果表明:在相同的生态环境与栽培措施下,K326品种栽培在红紫泥田与鸡粪土田中,所产烟叶各类重要致香成分呈现明显差异。

The sediment cores from "Cattle Pond" on Dongdao Island of South China Sea contain a coral sand sediment layer embedded by ornithogenic sediments with sharp stratigraphic contacts.

在南海东岛牛塘海鸟粪土沉积层中发现一岩性明显不同于上、下层位的珊瑚砂夹层。