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زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary place·hold·er n. Pronunciation: ' plās- ˌ hōl-dər Function: noun Date: 1958 : a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set]]>