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问题 单项选择题

有关对波形补偿器的叙述中，说法不正确的是( )。

A．只用于管径较大，压力较低的场合

B．结构紧凑，只发生轴向变形

C．补偿能力与波形管的外形尺寸、壁厚、管径大小无关

D．制造比较困难、耐压低、补偿能力小、轴向推力大

答案

参考答案：C

单项选择题

某企业选择稳健性筹资策略，则意味着（）

A.企业的长期资本刚好满足永久性资产的需求；

B.该种策略是一种理想的筹资策略

C.该种策略的主要目的是为了追求高利润

D.该企业长期资本不但能满足永久性资产的需求，还能满足部分临时性流动资产的需求
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单项选择题

TCP/IP (1) layer protocols provide services to the application (2) running on a computer. The application layer does not define the application itself, but rather it defines (3) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (4) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (5) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

1（）

A.application 

B.transport 

C.link 

D.network
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