例句與造句

1. This suggests that an asset with & beta; greater than one will increase variance, while an asset with & beta; less than one will decrease variance, if added in the right amount.
2. Another 2004 study examined whether the characteristic symptoms of autism ( impaired social interaction, communication deficits, and repetitive behaviors ) show decreased variance of symptoms among monozygotic twins compared to siblings in a sample of 16 families.
3. It's difficult to find decreasing variance in a sentence. 用decreasing variance造句挺難的