Hydrophilic fibres on the opposite surface aid hydration by drawing water into the cement.

相对表面上的亲水性纤维通过把水吸入水泥来帮助水合。

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The connecting mode is realized through adopting the opposite surface of the air bearing surface of the magnetic block as the connecting surface.

所述连接方式通过使用磁头块的空气承载面的相反面作为连接面来实现。

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For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.

在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。

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Their main finding was that a nerve impulse, now known as an action potential, is caused by the movement in opposite directions across the axon's surface membrane of sodium and potassium ions.

ECONOMIST: Andrew Huxley