无穷小
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(无(wú )穷(qióng )小(xiǎo ),无(wú )穷(qióng )小(xiǎo ))
亦(yì )称(chēng )“无(wú )限(xiàn )小(xiǎo )”。
数(shù )学(xué )名(míng )词(cí )。谓(wèi )一(yī )个(gè )变(biàn )量(liàng )在(zài )变(biàn )化(huà )过(guò )程(chéng )中(zhōng ),其(qí )绝(jué )对(duì )值(zhí )永(yǒng )远(yuǎn )小(xiǎo )于(yú )任(rèn )意(yì )小(xiǎo )的(de )已(yǐ )定(dìng )正(zhèng )数(shù ),即(jí )以(yǐ )零(líng )为(wéi )极(jí )限(xiàn )的(de )变(biàn )量(liàng )。
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