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雷达辐射监视器图形变坏,则可认为()。

单选题
2022-02-23 08:58
A、A、混频晶体性能减退
B、B、磁控管电流减少
C、C、波导或天线有故障
D、D、以上都是
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正确答案
B

试题解析

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