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【单项选择题】

If the effective bearing area has been reduced , remedial action should be taken（）

A、A.by more than 5 percent

B、B.by less than 10 percent

C、C.to 95 percent

D、D.to less than 90 percent

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第1题
[单选题] I certify that the（）of the portable radio apparatus for survival craft，if provided，complies with the said regulations.

A、infection  B、functioning  C、effecting  D、affection  

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第2题
[单选题] Click the Exhibit button. In the exhibit, if the link we are measuring is 1.5 Mbps, what is the effective WAN bandwidth?（）

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第3题
[单选题] Click the Exhibit button. In the exhibit, if the link we are measuring is 1.5 Mbps, what is the effective WAN bandwidth?（）

A、0.947 Mbps  B、3.000 Mbps  C、4.065 Mbps  D、282.058 Mbps  

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第4题
[单选题] What is the ERP (Effective Radiated Power), if the output power from the radio is 43 dBm, the cable losses 3 dB, and the antenna gain 14 dBd? （）

A、43dBm  B、54dBm  C、32dBm  D、60dBm  E、23dBm  

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第5题
[] If the carrier and the shipper have agreed that the goods shall or may be carried on deck，the carrier must（）in the bill of lading a statement to that effect.

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第6题
[单选题] A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.

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第7题
[单选题] A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.

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第8题
[单选题] The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.

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第9题
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第10题
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