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单词
diffractometer
释义
WordReference Random House Unabridged Dictionary of American English © 2024
dif•frac•tom•e•ter
(di frak tom
′
i tər, dif′rak-),
USA pronunciation
n.
[
Physics.
]
Physics
an instrument that is used to study atomic crystal structure by measuring the angles at which x-rays, neutrons, or electrons are diffracted by matter.
diffract
+ -o- + -
meter
1905–10
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更新时间:2025/11/24 0:52:13