想想蜂窝网络，我敢说你会想象到基站塔点缀这整个国家，向太空辐射着信号。
Think of a cellular network, and I'll bet you picture cellphone towers dotting the country, beaming signals into space.
辐射的放射水平还取决于手机类型、与最近的手机信号发射塔的距离以及同一区域内使用手机的人数。
Radiation levels also change depending on the phone type, the distance to the nearest cell phone tower and the number of people using phones in the same area.
最后，当手机尝试联系信号塔时，它释放大部分的辐射。
Finally, cell phones emit the most radiation when they are attempting to connect to cellular towers.
第二幅图中一座信号塔取代了丑陋的烟囱。放射出无形的有害辐射。
In the firstone. black clouds of exhaust fume are emitted from a highchimney. to thes trend one. a signal tower stands instead ofthe ugly chimney. sending out invisible harmful radiation.
去年，荷兰健康委员会就世界各地与此有关的研究进行了一次总结，结果发现没有证据表明手机及电视信号发射塔所发出的辐射会对人体造成伤害。
The Dutch Health Council, in an overview of research from around the world, last year found no evidence radiation from mobile phones and TV towers was harmful.
许多手机在与信号塔建立连接、接通信号的那一刻放出最大量的辐射。
Many cellphones emit the most radiation when they initially establish contact with the cell tower, making their "digital handshake."
许多手机在与信号塔建立连接、接通信号的那一刻放出最大量的辐射。
Many cellphones emit the most radiation when they initially establish contact with the cell tower, making their "digital handshake."
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