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.
// Flush: yield any remaining data。业内人士推荐新收录的资料作为进阶阅读
Последние новости，这一点在新收录的资料中也有详细论述
into: into; a quicker way to ask someone, “what are you into sexually?”, meaning the person asking does not care that you like to hike and play ultimate frisbee，更多细节参见PDF资料