They are sometimes finicky; a smudge of dirt or a speck of dust can cause bogus readings and change the calculated results.
这类装置有时是相当敏感的，上面稍稍有些污点或灰尘就会引起读数的变化，从而改变计算的结果。
They are sometimes finicky; a smudge of dirt or a speck of dust can cause bogus readings and change the calculated results.
这类装置有时是相当敏感的，上面稍稍有些污点或灰尘就会引起读数的变化，从而改变计算的结果。
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