Because the crystal bends light much more strongly than air does, light should have bounced off the holes and traveled down a channel that had been left clear of holes.

由于晶体比空气更能弯曲光线，光会从小孔上反射回来，从而沿着没有小孔的通道传播。

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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.

因为甚高频无线广播中，两个模拟频点之间的频道必须留着不用，为的是不干扰邻近频道。

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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.

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。

youdao

Then, by way of relief, Miller was sent sprinting down the inside-left channel and he and Dorrans found themselves two against two in acres of space.

BBC: Euro 2012 qualifiers: Scotland 2-3 Spain

City made a predictably nervous start but they sprung to life when Paul Dickov raced down the left channel, only to see his chip over keeper Mark Schwarzer go wide.

BBC: Man City 1-0 Middlesbrough

Portsmouth never looked in danger after that point, but had to wait until the 56th minute for Webber to make the game safe with a fine finish from the inside-left channel.

BBC: Portsmouth 4-0 Stoke