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【判断题】
增益饱和效应是指当入射光增加到一定程度时,增益系数将随光强的增大而减小的现象。
A.
正确
B.
错误
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举一反三
【单选题】-What are they? -____________. [     ]
A.
That is a jacket.
B.
Those are my socks.
C.
They are my shoes.
【判断题】为消除放大电路的饱和失真,可适当增大偏置电阻Rb。
A.
正确
B.
错误
【单选题】The seller had made a sales contract with the buyer under the FOB term,therefore the scope of Freight forwarder’s service on behalf of the buyer normally does not include ( ).
A.
arranging import customs clearance
B.
taking delivery of the goods from the carrier
C.
arranging export customs clearance
D.
booking space with the marine carrier
【判断题】为消除放大电路的饱和失真,可适当增大偏置电阻RB。
A.
正确
B.
错误
【单选题】下列不属于垂直搜索引擎的是
A.
盘多多(www.panduoduo.net)
B.
百度(www.baidu.com)
C.
搜库(www.soku.com)
D.
鸠摩搜书(www.jiumodiary.com)
【判断题】为消除放大电路的饱和失真,可适当增大偏置电路Rb。
A.
正确
B.
错误
【多选题】下列不属于垂直搜索引擎的是
A.
搜酷
B.
优酷
C.
百度
D.
必应(www.bing.com)
【判断题】活塞行程:活塞走过的距离称为活塞行程。
A.
正确
B.
错误
【单选题】The seller had made a sales contract with the buyer under the CFR term, therefore the scope of freight forwarder's service on behalf of the seller normlly does not include(    ).
A.
arranging import customs clearance
B.
delivering the goods to the carrier at the port of shipment
C.
arranging export customs clearance
D.
booking space with the marine carrier
【简答题】通用电气公司董事长杰克·韦尔奇说:“质量是我们 最好的保证,是我们对付外国竞争最有力的武器,是我们保持增长和盈利的唯一途径。”
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