题目内容

对厚度不大于220mm的水泥混凝土路面板,边角先用插入式振动器,再用平板振动器纵横交错全面振动,并应重叠()mm,然后用振动梁振动拖平。

A. 50,-100
B. 200,-250
C. 100,-200
D. 250,-300

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以下不属于MPEG-2Video功能档次(profiles)的是()。

A. 时间可调型(temporal scalable)
B. 空间可调型(spatial scalable)
C. 增强型(high)
D. 基本型(main)

计划经济体制下我国财政赤字生产的原因主要是()

A. 基建规模过大
B. 消费水平太高
C. 经济发展水平低
D. 劳动生产率低下

票务管理的主要内容有票据管理、台账管理、现金管理、()及()。

Which four statements about the Carrier Supporting Carrier (CSC) feature are true? ()

A. MPLS is required between the PE and CE routers that connect the backbone carrier to the customer carrier.
B. The backbone carrier must enable the PE router to check that the packets it receives from the CErouter contain only the labels that the PE router advertised to the CE router.
C. Every packet that crosses the backbone carrier must be encapsulated so that the packet includes MPLS labels
D. AII PE routers that link the backbone carrier to the customer carrier must run Route Target Rewrite.
E. Arouting protocol is required between the PE and CE routers that connect the backbone carrierto thecustomer carrier. The routing protocol enables the customer carrier to exchange IGP routing information with the backbone carrier.

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