以下鉴别机制不属于强鉴别机制的是()
A.令牌+口令
B.PIN码+口令
C.签名+指纹
D.签名+口令
参考答案:B
The international community should seek other effective methods in establishing economic global governance instead of relying on the WTO.
施用颗粒状肥料时,应在草坪草叶片上有水时进行,以防止烧苗。