在观测时段，一些基本因素会引起测量误差

在观测时段，一些基本因素会引起测量误差

Hasil (Inggris) 1:

During the observation period, some basic factors that will cause measurement errors

Hasil (Inggris) 2:

In the observation period, some of the basic factors that can cause measurement errors

Hasil (Inggris) 3:

During the observation period, some basic factors cause the measurement error