条形码打印机中Fingerprint应怎样翻译

fingerprint
KK: []
DJ: []
n.[C]
1. 指纹,指印
The burglars wore rubber gloves to guard against fingerprints.
盗贼戴着橡皮手套以防留下指纹印。
2. 特征,特点
The author's fingerprint is quite obvious in all of his works.
作者的特色在他所有的作品中都很明显。
vt.
1. 采...的指纹
The criminal was fingerprinted in the sheriff's office.
罪犯在警长办公室里被取下指纹。
2. 鉴别...的特征
The aircraft has equipment to fingerprint enemy planes.
这架飞机有辨别敌机的装置。

很明显条形码就是物品的"指纹".