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【简答题】
在图5-8所示电路中，已知R C =R E ，R L1 =R L2 ，试问两路输出时，R of1 和R of2 是否相同?两路输出端外接负载电阻R L1 、R L2 有相同变化时，输出电压和输出电流的稳定性是否相同?
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A vessel’s Certificate of Documentation（）.
A.
may be retained by the owner at the home port OR kept on the vessel
B.
must be posted under transparent material in the pilothouse
C.
must be carried on board
D.
must be kept on file at the corporate offices of the owner or operator
【单选题】A vessel’s Certificate of Documentation （）.
A.
may be retained by the owner at the home port or kept on the vessel
B.
must be posted under transparent material in the pilothouse
C.
must be carried on board
D.
must be kept on file at the corporate offices of the owner or operator
【简答题】固定资产明细账和低值易耗品明细账一般采用卡片式账簿。（ ）
【判断题】A port operator may seek to improve the quality of its service, e.g., by increasing its port ship loading and unloading service rates.
A.
正确
B.
错误
【多选题】防固体碎屑的护目镜的用途不包含( )
A.
主要用于防御金属或砂石碎屑等对眼睛的机械损伤
B.
防御有刺激或腐蚀性的溶液对眼睛的化学损伤
C.
用于防御过强的紫外线等辐射线对眼睛的危害
D.
防近视
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