A common concern about base station and local wireless network antennas relates to the possible long-term health effects that whole-body exposure to the RF signals may have.
基台和无线局域网络天线方面通常令人关注的一个问题涉及整个人体接触射频信号可造成的长期健康影响。
There are three different conceptions about base-level that are base level of erosion, base level of deposition and stratigraphic datum, respectively.
基准面有三个不同的概念，即侵蚀基准面、沉积基准面和地层基准面。
There are three different conceptions about base-level that are base level of erosion, base level of deposition and stratigraphic datum, respectively.
基准面有三个不同的概念，即侵蚀基准面、沉积基准面和地层基准面。
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