placeholder
英
['pleɪshəʊldə(r)]
美
['pleɪshoʊldər]
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Noun:
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a person authorized to act for another
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a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set
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用作名词 (n.)
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Place the name of the matrix in the placeholder.
在占位符处输入矩阵的名字。
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You can replace the placeholder text with your own content.
您可以用自己的内容替代占位符文本。
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