国际GB/T15835—1995《关于出版物上数字用法规定》有关章节中明确指出:⑴书写百分数的范围时,前一个数字的百分符号不能省略,如范围为5%~10%的数据,不能写成5~10%(因为前者实质为0.05~0.10;后者的实质却为5~0.10);⑵书写百分偏差时,前一个数据的百分符号不能省略,如偏差为60.70%±0.40%的数据,虽然也可以写成(60.70±0.40)%,不能写成60.70±0.40%或60.70%±0.40,同理,60.70 mg±0.40 mg或 International GB / T15835-1995 “on the use of digital provisions of the law” in the relevant sections clearly states: ⑴ percentage of the written percentage range, the percentage of the previous figure can not be omitted, such as the range of 5% to 10% of the data can not Written as 5 to 10% (because the former is substantially 0.05 to 0.10; the latter is actually 5 to 0.10); (2) When writing percentage deviation, the percentage of the previous data can not be omitted, such as the deviation is 60.70% ± 0.40% Data can be written as (60.70 ± 0.40)%, can not be written as 60.70 ± 0.40% or 60.70% ± 0.40, similarly, 60.70 mg ± 0.40 mg or