Heteroscedasticity
n. [统]异方差性
🗣️ 情景例句
He is new at the work to the work.
他没有做这项工作的经验。
A poor man who takes a rich wife has a ruler, not a wife.
穷汉娶富妻，必受老婆欺。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。