基本解釋[數(shù)學(xué)]非本質(zhì)奇(異)點(diǎn)非本性奇點(diǎn)專(zhuān)業(yè)釋義數(shù)學(xué)非本質(zhì)奇(異)點(diǎn)非本性奇點(diǎn)