皮皮学，免费搜题
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【单选题】
采用缓冲技术,能够减少对 CPU 的( )次数,从而提高资源的利用率。A.
中断
B.
访问
C.
控制
D.
依赖
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】为了实现下列目的,应引入 A .直流负反馈 B .交流负反馈 1 为了稳定静态工作点,应引入 ; 2 为了稳定放大倍数,应引入 ;
【简答题】由于应用的不同,传感接节点也会执行不同的功能,节点与链路的异构会在计算、通信与能量上出现差异。因此,节点与链路的( )问题在设计路由协议时需要认真考虑。
【单选题】The Owners guarantee that the Vessel to be at all times _______ valid and up-to-date certificates to comply with such regulations in every respect．
A.
in stead of
B.
in lieu of
C.
in possession of
D.
in place of
【单选题】What is NOT required on an uninspected towing vessel?
A.
Certificate of Documentation
B.
Certificate of Inspection
C.
Operators Merchant Marine license
D.
FCC Station License
【单选题】A gas-free certificate would usually be issued by a(n) ______.
A.
CCS marine surveyor
B.
certified marine chemist
C.
port engineer
D.
MSA marine inspector
【单选题】______ should be presented to the Customs officers．
A.
Bonded Store List
B.
Deratization Certificate
C.
Load line Certificate
D.
Radio Safety Certificate
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