试题与答案

CRH2型动车组在车顶上配置有受电弓、()、空气绝缘式直接头、()、无线电信号天线以

题型:填空题

题目:

CRH2型动车组在车顶上配置有受电弓、()、空气绝缘式直接头、()、无线电信号天线以及电视、FM天线。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D

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题型:单项选择题

An (71) service bus (ESB) acts as a shared messaging layer for connecting applications and other services throughout an enterprise computing infrastructure. It supplements its core (72) messaging backbone with intelligent tansformation and routing to ensure that messages are passed (73) . Services participate in the ESB using either Web Services messaging standards (74) the Java Message Service. ESBs are increasingly seen by users and analysts as core components in (75) IT.

(75)处填()。

A.object-oriented

B.service-oriented

C.particular

D.any

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