A tiny discrepancy can lead to a huge mistake; a miss by a hair's breadth can result in a great error.
在精确测量中，哪怕是毫末之差，都可能导致最终结果的完全错误
In precise measurements, even a tiny discrepancy can lead to a completely wrong final result.
Next Idiom
A tiny discrepancy can lead to a huge mistake; a miss by a hair's breadth can result in a great error.