观测资料和理论分析的结果表明，在低纬仍能接收到沿着按场排列的导管传播的导管哨声。
The results of observations and theoretical analysis show that the ducted whistlers propagating along the field-aligned ducts can be received at low latitudes.
康宁和蒙特利尔理工学院的研究人员发现，在大猩猩玻璃中可以制造出一种的极高质量的波导管，这种波导管会限制和引导光传播。
Researchers at Corning and Polytechnique Montreal discovered that they couldmake very high quality waveguides, which confine and direct light, in GorillaGlass.
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