试题详情
- 单项选择题+2.00DC×90°与-2.00DC×180°联合后得到()
A、+2.00DS/-2.00DC×90°
B、+2.00DS/-4.00DC×180°
C、+2.00DS/-4.00DC×90°
D、-2.00DS/+2.00DC×90°
E、-2.00DS/+4.00DC×180°
- B
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A、+2.00DS/-2.00DC×90°
B、+2.00DS/-4.00DC×180°
C、+2.00DS/-4.00DC×90°
D、-2.00DS/+2.00DC×90°
E、-2.00DS/+4.00DC×180°
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