The instrument industry also came into a new stage of substitution of the pointer indicator for simulation LED bargraph.
介绍了LED光柱显示器替代仪表指针的应用情况，结合其制作与应用进行了讨论。
The instrument industry also came into a new stage of substitution from the pointer indicator to simulation LED bargraph.
仪表行业也进入了用LED制作的模拟条图替代仪表指针的新阶段。
We can use an indicator with a pointer or a continuous recording device.
我们可以使用有指南针的指示器，或是连续记录的装置。
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