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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 PD
 圖片描述符  ;   公共域,( PUBLIC DOMAIN 的縮寫,指公益軟體而言,這類軟體的使用是完全免費的)

From: WordNet (r) 2.0

 Pd
      n : a silver-white metallic element of the platinum group that
          resembles platinum; occurs in some copper and nickel
          ores; does not tarnish at ordinary temperatures and is
          used (alloyed with gold) in jewelry [syn: palladium, atomic
           number 46]