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单词
pellet
释义
pellet
(1)小球
(2)片状器件
(3)靶丸(激光或电子束的)
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positive feedback
positive hologram
positive image reporduction
positive lens
positively definite matrix
positive material
positive meniscus
positive metric
positive ocular
positive plate
positive pole
positive print
positive quantity
positive ray
positive thread
positive uni-axial crystal
positivie column
positivity
positron
positron emission tomography
positvei contrast
possible error
post
post-acceleration focusing
postcritical
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更新时间:2025/9/3 6:39:50