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单词 θ79366
释义
the world > matter > physics > atomic nucleus > radioactivity > ionizing radiation > [noun] > measuring instrument > conductor in (1)
guard tube1892

(a) (see quot. 1893 at sense 7b; (b) a cylindrical conductor surrounding part of a wire anode (in an ionization chamber or proportional counter)…

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更新时间:2024/12/22 21:28:06