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【判断题】
184 一般情况下,物体对光色的吸收是不完全的。红色的物体也会反射蓝色绿色和其他色光,只是因为这些反射较弱,感觉不明显而已。
A.
正确
B.
错误
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A.
NOVA
B.
Glance
C.
neutron
D.
keystone
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A.
联锁
B.
互锁
C.
点动
D.
两地
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A.
to shut not
B.
not to shut
C.
to not shut
D.
not shut
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【单选题】电动机控制线路局部电路如图所示,此电路可完成______。
A.
连锁控制
B.
连续控制
C.
点动控制
D.
两地控制
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