Read Edit View history 放射性活度 fàngshèxìnghuódù radioactivity Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 放射性活度 fàngshèxìnghuódù radioactivity 实验中需要精确测量物质的放射性活度。 Edit Delete References Add reference No references for this word.