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单词
penetrameter
释义
pen·e·tram·e·ter
\ˌpenə.ˈtraməd.ə(r)\
noun
Etymology:
penetra
tion +
-meter
:
a device for measuring the penetrating power of X rays or other radiation by comparing transmission through different absorbers
— called also
penetrometer
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更新时间:2025/7/31 13:54:38