The unit is sievert , whose symbol is sv 它们的单位均是希沃特(希) ，符号为sv 。
2.
Sievert / sv refers to the si unit of personal dose 一七西弗：指国际单位制之人员剂量单位。
3.
Particulate radiation is generally more damaging in biological systems than electromagnetic . the unit is the sievert , but as it is a very large unit the millisievert which is a thousandth of a sievert is more common as is the microsievert , a millionth of a sievert 至于量度辐照量的单位为西韦特sievert ，但西韦特是一个大单位，故此一般以其千分之一即毫西韦特单位msv或以百万分之一即微西韦特单位msv来量度。
