The real limiting factor is not how many messages pass through a queue, but how deep a queue normally gets — which should be a very low number.

真正的限制因素不是有多少消息通过队列，而是队列通常的深度为多少——这个数字应该非常小。

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In the low frequency range (1 Hz to 1 MHz), however, the inductor value becomes very large and the inductor itself gets quite bulky, economical production difficult.

然而，在低频范围(1hz至1mhz)中，电感器值变得非常大，并且电感器本身变得非常庞大，经济的生产困难。

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