An automatic recognition system for characters on numeric meter dial plate displayed by LED is introduced.
介绍了一个数码管显示数字仪表表盘读数的自动识别系统。
A feeler gauge a dial indicator or a cam-angle meter can be used to test the amount of contact-point opening.
测隙规，千分表或触点闭合角测定表也可检测触点开度。
A feeler gauge a dial indicator or a cam-angle meter can be used to test the amount of contact-point opening.
测隙规、千分表或触点闭合角测定表也可检测触点开度。
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