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【多选题】
下列需要采用屏蔽布线系统的()。A.
综合布线区域内存在的电磁干扰场强高于3V/m时
B.
用户对电磁兼容性有较高的要求(电磁干扰和防信息泄漏)时
C.
采用非屏蔽布线系统无法满足安装现场条件对缆线的间距要求时
D.
采用屏蔽布线系统无法满足安装现巧条件对缆线的间距要求时
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反馈参考答案：
举一反三
【单选题】All else constant, the net present value of a typical investment project increases when:
A.
the discount rate increases.
B.
each cash inflow is delayed by one year.
C.
the initial cost of a project increases.
D.
the rate of return decreases.
【单选题】Team leaders must ensure that all members ______ their natural desire to avoid the embarrassment associated with making mistakes.
A.
get over
B.
look over
C.
take over
D.
come over
【单选题】Exhaust temperature increases in all cylinders, the possible cause may be_____(1) increased scavenging air temperature, (2) air in fuel pumps and fuel valves, (3) fouling of air and gas passages.
A.
(1)+(2)
B.
(1)+(3)
C.
(2)+(3)
D.
(1)+(2)+(3)
【单选题】Increases in all asset accounts are .
A.
debit debited
B.
debited
C.
credited
D.
credit credited
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