重复数 meaning in English

number of repetitions
number of replications
repeat number
repetition number

After several repetitions there still remains an error .
重复数次之后仍然存在误差。
Go over this a few times , making sure your muscles stay relaxed
重复数次，确保你的肌肉保持松弛。
These are average number of duplicates for the combination of columns
这些是列组合的平均重复数。
Solving axisymmetric gravitation field with electromaticstatic field by double complex method
二重复数方法求解含有电磁场的轴对称引力场
Even if each episode changed the inborn predilections of the hominids by only a small amount , the hundreds of repetitions of this scenario may explain some of the differences between human abilities and those of our closest relatives among the great apes
即使每一次事件对人猿类的天生倾向，只造成极小的改变，但事件重复数百次后，就足以解释人类和关系最近的大型猿类之间的能力差异。