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单选题
The ARPA may swap targets when automatically tracking if two targets（）
A
are tracked on reciprocal bearings
B
are tracked at the same range
C
are tracked on the same bearing
D
pass closely to each other
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考题
单选题The ARPA may swap targets when automatically tracking if two targets（）.A
are tracked on reciprocal bearingsB
are tracked at the same rangeC
are tracked on the same bearingD
pass close together
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