民调结果包含3%的误差范围。

Poll results include a ___margin ___of ___error of 3%.

随着测量技术的进步，误差范围显著减小。

As measurement techniques improve, the ___margin ___of ___error decreases significantly.

工程师必须在他们的计算中考虑一个小的误差范围。

Engineers must account for a small ___margin ___of ___error in their calculations.