Home > Industry/Domain > Mobile communications
Mobile communications
Related to means of communication that function via radion waves rather than along cables, such as mobile telephones.
0Categories 12494Terms
Add a new termContributors in Mobile communications
Mobile communications > 
青銅擺
Earth science; Mapping science
季米擺，由美國 S.海岸和大地測量，使用了鋁青銅由一個部件的鋁和銅的九個部分組成。從 1920 年開始，英華擺在美國 S.海岸和大地測量重力工作所取代了青銅擺。 ...
