Some are annoyed by the fact that Reflector has an update mechanism making the product impossible to use after an expiration date, so they will either buy v.7 or stop using it altogether.
有些人很气愤，因为Reflector有一种更新机制，使得它在有效期满之后就不能使用了，所以他们只能购买v . 7，或者就不能使用它了。
Single chip processor F-V interface unit is a unit of converting the output signal of speed transducer for 6k locomotive into input signal demanded by domestic ZTL-3 automatic train stop apparatus.
单片机f - V接口装置是用于将6 K机车速度传感器输出信号转换为适合于国产ZTL - 3型自动停车装置输入要求的装置。
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