换言之，机器或机械装置的每个零件是有一定的大小和形状，因此适用于同一类型的任何其他机器或机械装置。
In other words, each part of a machine or mechanism is made to a certain size and shape so it will fit into any other machine or mechanism of the same type.
介绍一种由单片机控制的误差补偿系统，利用感应同步器数显装置对定尺零位误差进行补偿。
A single chip computer controlled error compensating system USES digital display of inductosyn to compensate errors of scaled zero position.
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