光信号转发单元，是光传送网设备OADM和OXC的重要组成部分。
Optical Transmission unit, which is an important sub-function unit of OADM device and OXC device.
由标签发出的无线信号被传感器接收，然后转发到位置组件，后者使用各种方法来计算标签的位置。
The radio signals emitted by the tags are received by the sensors and relayed to the location component, which USES a variety of methodologies to calculate the location of the tag.
你也可以把VTech 5145当作转发器，前提是把它和娇贵的手机放在电信信号比较强的地方。
The VTech 5145 could work as a repeater, assuming you put it and the finicky cellphone in a place with good coverage.
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