Sievert (Sv): A measure of the effective dose—that is, the health effects of the radiation, with different types of ionizing radiation (gamma rays, X-rays, alpha particles, and so on) having different effects. One sievert equals 1 joule per kilogram weighted for the biological effectiveness of the radiation and the tissues exposed.
Экс-сотрудник ЦРУ заявил о готовности США пожертвовать всем ради своих интересовРиттер: США готовы предать всех ради обеспечения своих интересов
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隨著美軍如今能在相對近距離自由發動打擊,其中部分壓力可能已減輕。
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