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真空电子器件离子束加工
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真空电子器件离子束加工
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真空电子器件离子束加工
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ion beam microfabrication of vacuum electronic device
真空电子器件离子束加工
通过具有一定能量的离子束与固体表面相互作用来改变固体表面物理、化学性质和几何结构的精密加工技术。
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final topology
final velocity
final version
finance
finance company
finance,credit,goods and foreign exchange balance
finance lease
finance lease system
finance of revolutionary base areas
Finance Planning Commission
finance statistics
financial account
financial allocation replaced by bank loan
Financial Analysis
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financial analysis of construction project
financial arrangements of public pension system
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financial big data modeling
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