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target materials
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铍合金
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target materials
靶材料
荷能粒子轰击或加热蒸发的目标材料。通常指溅射靶材,通过等离子或电子束轰击靶材,在特定的基面上形成10~10000纳米级薄膜,进而通过后续加工工艺形成导电层、栅极、阻挡层、绝缘层和线路等。
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rock elastic wave experiment based on drilling
rock electrical experiment
rock engineering
rock engineering construction
rock engineering design
rock engineering disasters
rock engineering excavation
rock engineering measures
rocker
rocker arm
rockerarm drilling machine
rocker jaw
rockery
Rockery-Pond of Taiping Princess
rocket
rocket and missile material
rocket astronomy
rocket body assembly
rocket-borne instrument
rocket-borne telescope
rocketdrome
rocket dynamic characteristics
rocket dynamic characteristic test
rocket dynamic test tower
rocket ejection seat
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