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阐述了一种测量和记录显像管排气过程真空度变化的测量仪。它以单片机为核心，采用EEP－ROM为数据存贮器，可自动测量、自动记录，并自动打印出真空度变化曲线。
A measuring instrument for measuring and recording the change of vacuum in the exhaust tube of kinescope is described. It takes the one-chip computer as the core, adopts EEP-ROM as the data memory, can measure automatically, record automatically, and print out the curve of degree of vacuum automatically.