测试应用时总线广播测试数据到各个被测芯核，从而实现多核的并行测试。
During test application test data is broadcasted to every core under test by bus, thereby implementing concurrent test of multiple cores.
本系统消防广播部分为总线制，由广播切换模块实现背景音乐与紧急广播切换。
This system fire prevention broadcast part is the main line system, realizes the background music and the urgent broadcast by the broadcast cut module cuts.
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