permanent set strength 规定残余延伸强度
Rr permanent set strength 规定残余延伸强度
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
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