他们已经取得了非凡的成就：4月的“探索”频道中报道了一种新的病菌正在人类之间快速传播，几个月内科学家就已确认出所有病毒的基因。
They've accomplished remarkable things: Within a few months of the April discovery that a new pathogen was spreading fast through humans, scientists had identified all of the virus's genes.
这是因为在空中传播的高频信号中，两个模拟发射频道的之间要有一个空置的频道这样才不会干扰相邻的频道。
That was because, in over-the-air VHF broadcasting, the channel between two analogue stations had to be left unused so that it would not interfere with adjacent ones.
电视台工作人员从直升机上，传播消防影像片断给新闻频道直播。
Television crews broadcast footage of the fire from helicopters to live news channels.
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