两种黑匣子都配备了水下定位信标，当它们和水接触以后会自动启动。
Both black box components are outfitted with underwater locator beacons, which self-activated the moment they come into contact with water.
ABB还将安装一个兼容全球IEC 61850通信标准的变电站自动化系统，并配备最新的保护和控制产品。
ABB will also install a substation automation system compliant with the global IEC 61850 communications standard, and equipped with the latest protection and control products.
发射无方向信号的无线电信标台。据此飞行员能够用自动定向仪 （ADF ）确定他的背台或向台方位。
A radio beacon which transmits nondirectional signals whereby the pilot can use the ADF to determine his bearing to or from the station.
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