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逐点比较法插补第二象限一条直线时,当P点在直线下侧( F<0 )时,应向( )方向发生一脉冲。

单选题
2022-04-02 18:37
A、+X
B、-X
C、+Y
D、-Y
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正确答案
C

试题解析

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