Because of the coupling between surface channel and SOFAR channel, sound propagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.

由于表面声道与深海声道间的耦合效应，声波在双轴海洋声道中的传播比较复杂，因此求解双轴海洋声道中的声场就比较困难。

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Most attention has focused on the M2 protein, an ion channel that protrudes from the virus's surface and tells it when it is inside a cell.

M2蛋白获得重点关注。离子通道M2蛋白突出于病毒表面，当病毒进入细胞内后通知病毒。

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The Houston Ship Channel is clogged with beef fat. Unlike petroleum, which has a colorful sheen on the water's surface, beef fat turns into a solid cake, looking like a waxy ice flow.

休斯敦航道被牛肉脂肪堵塞了，不像在水面带有多彩光泽的石油，牛肉脂肪变成一块实心饼，看起来像条蜡状冰流。

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The one that's on the top here is called ligand-gated ion channel and an ion channel is a protein that sits in the surface of a cell.

最上面的这个叫作配体门控离子通道,离子通道是一类位于细胞表面的蛋白

耶鲁公开课 - 生物医学工程探索课程节选

Actress Molly Ringwald will surface on the "American Movie Classics" channel this weekend.

CNN: The Hollywood Minute

Mario Ploner, the managing director of Tecnomeccanica Biellese, says the ship-based system will use external booms running parallel with the vessel's sides to channel oil onto wool that has been spread over the surface of the sea.

ECONOMIST: Monitor

In 2003, Stanford University spin-out company Cooligy showed off its Active Micro-Channel Cooling (AMC) technology which allowed fluids to circulate through hundreds of tiny channels on the upper surface of a chip.

BBC: IBM aims to cool chips with water