否则，所译文本不经后期人工编辑，低级错误和误差在所难免。
Nevertheless, rogue errors and anomalies are unavoidable without human post-editing.
轴承是故障发生率比较高的部件，用简易诊断法难免会出现人为的判断误差。
The bearings are the parts with higher malfunction occurrence rate, and it is hard to avoid appearance of the man-made judgment errors to utilize the simple diagnosis method.
由于仪器和感觉都不可能尽善尽美，因此测量误差总在所难免。
Every measurement is subject to errors because our instruments and our senses are imperfect.
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