These improvements are a permanent strength, whether this H5N1 virus causes the next pandemic or not.

这些改进是一种永久的力量，无论h5n 1病毒是否引起下一次疾病大流行。

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The orientations of polyurethanes resulted in a large number of the residual orientation , the stress softing and stress hysteresis , the permanent set , the higher modulus and strength of materials .

取向的结果，导致大量的硬段残留取向、应力软化、应力滞后和高变形，以及材料的高模量和高强度。

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Series 7143 features an extra strength permanent magnet pole-piece and high inductance coil.

系列7143具有一个额外的力量永磁极片，高电感线圈。

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Its strength is its permanent staff of 276 scientists, policy wonks and lawyers.

ECONOMIST: The environmental movement

If so, some of the pound's recent strength may prove permanent.

ECONOMIST: The economy

That is because a permanent magnet's maximum strength is dictated by the material it is made from, while an electromagnet's strength depends on the current passing through it.

ECONOMIST: Maglev trains