scintillation counter

シンチレイション計数管　：放射能測定

＜at this time last year
at this time next year

<Small 地震　have come now，and I’ve got up.

<seismology

<inflammability inflammation influence machine influenza information retrieval

<areal velocity 一定の法則

<enter Tkyot University leave scool graduate school :M.A，M.S.，PH.D.

< It happened many many many years ago that the earth was born.

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