A method of receiving radio paging signal in underground building is proposed, and a practical identical frequency radio paging repeater and its design are provided.
提出了解决地下建筑物内接收无线电寻呼信息的一种方法，并提供了一个实用的同频无线电寻呼中继器及其设计。
The expected default frequency of listed companies can be measured, which is identical with the change of the listed companies' credit quality.
上市公司的预期违约频率与该公司的信用资质变化吻合，并载有公司未来前景的情报性信号。
Conclusions: the frequency of clinical seizures and the epileptiform discharges during wakefulness and sleep were basically identical.
结论：颞叶癫痫的临床发作频率和痫样放电频率在清醒和睡眠时期基本相等。
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