A．This paper assessed the relationship between narrativity and journal identity, abstract length and number of authors.
B．This paper derived six elements of narrativity from studies on related theory.
C．This paper tested the mechanism of association between narrativity and citation frequency.
D．This paper used six elements to evaluate the degree of narrative in 732 abstracts.

A． 犬瘟热
B．犬细小病毒感染
C．狂犬病
D．犬传染性肝炎

A．正确
B．错误

A．非接触式，中远距离工作
B．大批量、由读写器快速自动读取
C．信息量大、可以细分单品
D．芯片存储，可多次读取