The normal electrocardiograms (ECGs) from 24 leads, including standard limb leads, augmented unipolar limb leads, unipolar chest leads and apex base lead (A B), of 90 healthy police dogs were traced and analysed.
描记了90只警犬标准肢导联、加压单极肢导联、单极胸导联、A-B导联等共24个导联的心电图。
The smelling identification of police dogs is a quite special way against criminals in crime investigation.
警犬气味识别是指侦查人员从犯罪现场提取嗅源,让警犬嗅闻,然而与被告人身体气味进行对比,以确定被告人是否到过犯罪现场。