Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
reference spheroid
oil 参考球体
space 参考椭球 (用来近似地球几何形状的参考球体)
tech. 参考椭球 (体)

 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