has dimension has unit 単位を持つ has value 値を持つ dose equivalent Dose equivalent is a measure of the radiation dose to tissue where an attempt has been made to allow for the different relative biological effects of different types of ionizing radiation. dose equivalent unit quantity 量 attosievert attosievert centisievert centisievert decasievert decasievert decisievert decisievert exasievert exasievert femtosievert femtosievert gigasievert gigasievert hectosievert hectosievert kilosievert kilosievert megasievert megasievert microsievert microsievert millisievert millisievert nanosievert nanosievert petasievert petasievert picosievert picosievert rem rem sievert sievert specific energy, absorbed dose, or dose equivalent dimension terasievert terasievert