某些商务型的笔记本电脑配有指纹识别器,可以利用指纹来登录系统,无需输入密码,这主要应用了()。
A. 机器翻译技术
B. 模式识别技术
C. 智能代理技术
D. 手写输人技术
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液性塑料定心夹紧装置多用于()等精加工工序中。
A. 车削
B. 刨削
C. 磨削
D. 铣削
E. 钻削
F. 镗削
在电场中,将单位正电荷由低电位移向高电位时()所做的功称为电动势。
Under what circumstances should an administrator prefer local VLANs over end-to-end VLANs?()
A. Eighty percent of traffic on the network is destined for Internet sites.
B. There are common sets of traffic filtering requirements for workgroups located in multiple buildings.
C. Eighty percent of a workgroup’s traffic is to the workgroup’s own local server.
D. Users are grouped into VLANs independent of physical location.
E. None of the other alternatives apply
不得安排女职工从事高处、低温、冷水作业o()
A. 正确
B. 错误