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: 4300633
й 14 ؤŷ ͹Ź
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1.  :  ػä  Ҩҡ  pico  դҡѺ 10-12
2.  ѹ :  ѹ

3.  ૪ѹҧ俿 :  ѭѡɳ᷹૪ѹҧ俿 (electrical polarization)

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