题目内容

A Next Generation Network(NGN) is a () network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband, QoS-enable transport technologies and in which service-related functions are (下题选择) of the underlying transport-related technologies.

A. ISDN
B. ATM
C. circuit-based
D. packet-based

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“认证”英文通常翻译为()。

A. authentication
B. authorization
C. control
D. encryption

泌尿系统的造影检查有、和。

A Next Generation Network(NGN) is a (上题选择) network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband, QoS-enable transport technologies and in which service-related functions are () of the underlying transport-related technologies.

A. dependent
B. independent
C. related
D. depend

肝脏螺旋CT增强多期扫描于静脉高压注射对比剂后，分别在、、进行扫描，可获得肝动脉期、门脉期和平衡期的CT图像。