词汇“concave curve”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	concave curve
释义	见:curve: concave curve
随便看	etceteras etch etchant etch cleaning etch crack etchd wiring etched etched amplifier etched circuit etched circuit card etched dimple etched roll etched sheet etched surface etcher etch-figure etch figures etch hillock etch-hole etch hole etching etching agent etching ball etching glass etching knife

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