超导

chāo dǎo xìng hé chāo liú dòng xìng shì jí duān dī wēn zhuàng tài xia chǎn shēng de liǎng zhǒng xiàn xiàng

超导性和超流动性是极端低温状态下产生的两种现象。

Both superconductivity and superfluidity occur at very low temperatures.