basic deviation

例句：

1. 1. The basic deviation in the data is due to a small error in the measurement.
   数据的基本偏差是由于测量中的一个小错误造成的。
2. 2. The basic deviation in this model is due to the assumption that all variables are independent.
   这个模型的基本偏差是由于假设所有变量都是独立的。
3. 3. The basic deviation in the results is due to the limited sample size and the assumption of normal distribution.
   结果的基本偏差是由于样本量有限和正态分布的假设造成的。