quaternary是什么意思_([石油]季铵；[生物]四级铵的英文)

变形

复数: quaternaries

基本释义

例句

1·Design of quaternary Schmitt circuits.

四值施密特电路设计。
2·We know little of a quaternary compound.

我们对四元化合物了解得很少。
3·The Quaternary sediments are largely undeformed.

第四纪的沉积物大部分未变形。
4·In Quaternary, some faults showed a right-handed slipping.

部分断裂到第四纪表现为右行走滑。
5·Review and prospects of Quaternary Glaciation research in China.

中国第四纪冰川研究的回顾与展望。
6·Most Quaternary saline lakes occur in West and Northeast China.

第四纪盐湖主要分布于我国西部和东北部。
7·The activity of igneous rocks mainly concentrates in Neogene and Quaternary.

火成岩活动主要集中在晚第三纪和第四纪。
8·The Cenozoic era is composed of tertiary period followed by quaternary period.

新生代是由第三纪和第四纪组成的。
9·The Quaternary glaciation started just a few million years ago – and is still going on.

第四纪始于几百万年以前，并延续到现在。
10·Maodong Canyon, the typical karst landform, is the relics of the quaternary glacier.

卯洞峡是第四纪冰川遗址，典型的喀斯特地貌。

网络释义

同义词

adj. [数]四进制的；四个一组的

quarternary

n. 四；四个一组

quartette tetrad

同根词

词根： quaternate

quaternate adj 由四个组成的；四个一组的

quaternion n 四元数；四个一组；四人一组

quaternity n 四位一体；四人一组；四个一组