[, ] a difference from what is normal, expected or required背离;偏离;违背◆The loss represents a 20% deviation from our financial targets. 这一亏损表示我们与财务目标有 20% 的偏差。◆Any deviation from company policy is unacceptable.任何违背公司政策的做法都是不可接受的。 () the amount by which a single measurement is different from the average偏差standard deviation