...A measure of the relative intensity of the two rays would servo tomeasure the distance, or thickness of the absorbing medium...
Edward C. Pickering 「The Future of Astronomy」
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...A measure of the relative intensity of the two rays would servo tomeasure the distance, or thickness of the absorbing medium...
Edward C. Pickering 「The Future of Astronomy」
ランダム例文:
bankruptcies ragdoll relay
便利!手書き漢字入力検索