A precious metal is a rare, naturally occurring metallic chemical element of high economic value. Chemically, the precious metals are less reactive than most elements. They are usually ductile and have a high lustre. Historically, precious metals were important as currency but are now regarded mainly as investment and industrial commodities. Gold, silver, platinum, and palladium each have an ISO 4217 currency code.
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 台灣 Taiwan | Windows Windows 市集 | 1.0.0.0 App下載 | 免費 | 2012-12-05 | 2014-10-04 | |
| 美國 (U.S.A) | Windows Windows 市集 | 1.0.0.0 App下載 | 免費 | 2012-12-05 | 2014-10-04 |
