比较仪（comparator） 利用相对法进行测量的长度测量工具，主要由测微仪和比较仪座组成。测量时，先用量块研合组成与被测基本尺寸相等的量块组，再用此量块组使测微仪指针对零，然后换上被测工件，测微仪指针指示的即为被测尺寸的偏差值。
n. comparator
... Length measurement测长仪 Comparative measurement instrument比较仪 Interference measurement instrument干涉仪 ...
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光学比较仪 [光] optical comparator ; [光] optimeter ; optical comparator optimeter
光谱比较仪 [光] spectrocomparator
光电比较仪 photoelectric comparator ; electronic optical comparator
比较仪座 Comparator stand
扭簧比较仪 microcator ; torsional spring comparator
扭簧式比较仪 Mikrokator
体视比较仪 stereocomparator ; [光] stereocomparagraph
相位比较仪 raydist
机械比较仪 [机] mechanical comparator
对小型杠杆齿轮比较仪的示值误差进行了分析和计算。
The indicating error of the small microcator is analyzed and calculated.
这个空白的语音图谱被叫做比较仪，将在后面做详细讨论。
This blank voice map is called the comparator and will be discussed in greater detail later.
这些试验包括，是否是随机，双盲，安慰剂对照或活动比较仪。
Trials were included if they were randomized, double-blinded, and controlled with placebo or active comparator.
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