1. 触须：1.如果数据是明显对称,中位数值线将近似位于四分位距箱体的中间,上下触须(whisker)在长度上将近似相等. 2.如果数据是偏态的,中位数将可能不位于四分位距(IQR)箱体的中间,某一触须(whisker)将可能显著地比另一个长.

2. 金属须：金属须(Whisker)问题:业界目前在金属须课题上面对的问题,是还没有人真正了解其机理和控制方法. 虽然经过多年的研究,人们已经整理出好些有用的经验,但却还不能确定该如何预防或控制金属须. 比如亚光锡(Matte Sn)的使用,

3. 须：)情况完全没有把握到;金属须(Whisker)问题:业界目前在金属须课题上面对的问题,是还没有人真正了解其机理和控制方法. 虽然经过多年的研究,人们已经整理出好些有用的经验,但却还不能确定该如何预防或控制金属须. 比如亚光锡(Matte Sn)的使用,

1. (猫、鼠等动物的)胡须
The whiskers of an animal such as a cat or a mouse are the long stiff hairs that grow near its mouth.

2. 连鬓胡子;络腮胡子
You can refer to the hair on a man's face, especially on the sides of his face, as his whiskers .

e.g. ...wild, savage-looking fellows, with large whiskers, unshaven beards, and dirty faces.
长着浓密的络腮胡子，胡须未刮且脸上脏兮兮的看起来很粗野的家伙

3. 微小的数量；一丝；一点儿
You can use whisker in expressions such as by a whisker or within a whisker of to indicate that something happened or is true, but only by a very small amount or degree.

e.g. A new pet census showed that cats now outnumber dogs by a whisker (7 million to
6. 9 million)...
新的宠物普查显示出猫的数量略微超过了狗的数量(700万比690万)。
e.g. She came within a whisker of taking a gold medal...
她离金牌只有一步之遥。

noun

1. a long stiff hair growing from the snout or brow of most mammals as e.g. a cat

Synonym: vibrissasensory hair

2. a very small distance or space

e.g. they escaped by a hair's-breadth
they lost the election by a whisker

Synonym: hair's-breadthhairsbreadthhair