Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄ English
Google | Forvo | +
覆盖周期
avia. coverage cycle (卫星周而复始地对地球观测一遍所需的时间)
space coverage cycle (卫星对地球观测一遍所需的时间)
tech. coverage cycle

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips