Canadian period

(Geol.)

A subdivision of the American Lower Silurian system embracing the calciferous, Quebec, and Chazy epochs. This period immediately follows the primordial or Cambrian period, and is by many geologists regarded as the beginning of the Silurian age, See the Diagram, under Geology.

See also: Canadian

随便看

european committee for future accelerators
european committee for home and online education
european committee for homeopathy
european committee for hyperbaric medicine
european committee for information technology testing and certification
european committee for interoperable systems
european committee for iron and steel standardization
european committee for medical ultrasound safety
european committee for regulatory telecommunications affairs
european committee for telecommunications regulatory affairs
european committee for the prevention of torture
european committee for treatment and research in multiple sclerosis
european committee for young farmers' and 4h clubs
european committee of manufacturers of compressed air equipment
european committee of radiographers and radiological technologists
european committee of user inspectorates
festival of xilonen
festival of xipe totec
festivals
festivals acadiens
festivals and feasts
festival seating
festival singers of florida
festivals of male voice praise
festival speech synthesis system

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。