資料來源 : pyDict

實體聯系圖

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Erd \Erd\, n. [OE. erd, eard, earth, land, country, AS. eard;
   akin to OS. ard dwelling place, OHG. art plowing, tillage,
   Icel. ["o]r[eth] crop, and to L. arare to plow, E. ear to
   plow.]
   The earth. [Prov. Eng.] --Wright.

   {Erd shrew} (Zo["o]l.), the common European shrew ({Sorex
      vulgaris}); the shrewmouse.

資料來源 : Free On-Line Dictionary of Computing

ERD
     
        {entity-relationship diagram}