单词：deviations
n. the difference between an observed value and the expected value of a variable or function
n. the error of a compass due to local magnetic disturbances
deviations的用法和样例：
例句
- The deviations are thus only apparent.这种偏差只是表面现象。
- Any of the inevitable manufacturing deviations would degrade the image still more.而且制造过程中不可避免的偏差还会使画质更为降低。
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