例句：
There was no significant difference among the 4 group in average age.
各组平均年龄、工作强度、标准体重百分数均无显著性差异（P＜0.05）。
The percentage of G cells was 2.76 ± 0.45;
G细胞百分数为2.76±0.45；
Determination of mole percent of g+ c in DNA of Bacillus thuringiensis seven subspecies.苏云金芽孢杆菌七个亚种酌DNA的'G+C克分子百分数的测定。
Then, the synthesis conditions, such as KOH excess%, calcination temperature, etc. were optimized.优化了合成过程中的工艺条件，包括K过量百分数、焙烧温度等。