天然本底 meaning in Chinese

natural background

The annual dose received by the public in hong kong from natural background radiation is about 2 msv
在本港，平均每人每年吸收的天然本底辐射剂量大约为2毫希沃特。
The annual dose received by the public in hong kong from natural background radiation is about 2 msv
在本港，平均每人每年吸收的天然本底辐射剂量大约为2毫希沃特。
In general , the annual dose received by the public in the world is generally ranged from 1 msv to 10 msv source
在世界各地，每人吸收的天然本底辐射剂量一般都是由每年1毫希沃特到10毫希沃特不等资料来源