题目内容

设计概算的审查方法主要有()。

A. 对比分析法
B. 概算指标法
C. 查询核实法
D. 联合会审法
E. 类似工程预算法

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镜头焦距(),视场角(),焦距(),视场角()。

安全生产管理工作中的“三违”是违章指挥,违章作业,违反劳动纪律。

A. 正确
B. 错误

继电器的触头一般都为桥型触头,有常开和常闭形式、没有灭弧装置()

A. 正确
B. 错误

Which of the following best describes the following command: ip flow-export destination192.168.1.50 1500?()

A. it is not a valid NetFlow command
B. it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50
C. it is a NetFlov/ command that v/ill export 1500-byte packets to IP address 192.168.1.50
D. it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port 1500
E. It is a NetFlov/ command that v/ill specify that the NetFlov/ collector’s IP address is192.168.1.50 over UDP port 1500
F. It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for packets upto an MTU of 1500

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