... positive image material 正性光刻胶 positive ion beam 正离子束 positive modulation 正极性灯 ...
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... 正回授；反馈 positive feedback 正离子 positive ion 正离子射柱 positive ion beam ...
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positive ion beam detail 正离子束
beam positive ion 正离粒子射柱
positive e ion beam 正离子束
·2,447,543篇论文数据，部分数据来源于NoteExpress
A series of giant positive magnetoresistance of magnetic multilayer structure were fabricated by ion-beam sputtering in high vacuum with applied magnetic field and treatment.
采用离子束溅射方法制备了正巨磁电阻多层膜，在制备过程中采用外加磁场和退火处理。
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