80.the frequency changing relay is out of order. It can not change frequencies.

频率转换继电器故障，不能转换频率。

74.the touch points are not firmly connected due to long time usage of relay.

由于长期使用继电器触点上接触不良。

For both, transformers and protective relays are going to be in danger.

对于情况，变压器和保护继电器都将处于危险之中。

Almost immediately, transistors could be made smaller than the smallest possible relays or vacuum tubes.

晶体管几乎可以制造得比世上最小继电器和真空管还要小。

The control wire connects to a coil of wire inside the relay.

控制线连着继电器里线圈。

It's pretty much the same thing as a relay - but importantly, vacuum tubes have no moving parts.

和继电器基本就是一回事——但请注意，真空管内没有活动部件。

Relays are doing the same thing, just with electrons instead of water.

继电器和水龙头是一样，只是在继电器中电代替了水。

The brains of these huge electro-mechanical beasts were relays: electrically-controlled mechanical switches.

些巨大机电核心是继电器用电控机械开关。

In a relay, there is a control wire that determines whether a circuit is opened or closed.

在继电器中，有根决定电路是否闭合控制线。

In September 1947, operators on the Harvard Mark II pulled a dead moth from a malfunctioning relay.

1947 年 9 月，哈佛马克 2 号 (Harvard Mark II) 操作员从故障继电器中取出了一只死掉飞蛾。

You can think of a relay like a water faucet.

你可以把继电器看成是水龙头控制线。

What do you like about relays?

你喜欢继电器什么？

Fortunately, she has a few extra relays for repairs.

幸运是，她还有几个备用继电器需要维修。

And why would you bother with a relay anyway?

无论如何，你为什么要为继电器烦恼呢？

Grace has to catch them before they wear out any relays in the machine.

Grace 必须在它们耗尽机器中任何继电器之前抓住它们。

And as the number of relays increases, the probability of a failure increases too.

并且随着继电器越来越多，出故障概率也越来越大。

Well, relays is currently 1, so yes.

嗯，继电器目前是 1，所以是。

I need you to get to that engine control panel and tell me which relays are in overload position.

我需要你找到引擎控制板并且告诉我哪个继电器过载了。

A good relay in the 1940’s might be able to flick back and forth fifty times in a second.

一个好继电器在 1940 年代可能可以在一秒钟内来回轻弹五十次。

A good relay in the 1940's might be able to flick back and forth fifty times in a second.

20 世纪 40 年代，好继电器可以一秒内开关五十次。