Now, an amplifier such as the public address system can also cause problems.

像广播系统这样的扩音器也可能造成问题。

When he was seventeen, Dolly and Marty lent Frank sixty-five dollars so he could buy a portable public address system and sheet music arrangements.

法兰克17岁时，多莉和马丁借给他65美元，这样他就可以买一个便携式广播和乐谱。

If you are in a room like this auditorium, you might have a little bit of amplification, but of course the public address system does most of the work for you.

如果你在像这个演讲厅一样的房间里，你或许需要对声音进行少许放大，不过当然了，广播系统已经帮你完成了大部分工作。

Now, an amplifier such as the public address system can also cause problems. If the amplification is turned up too far, it goes unstable and begins to howl or emit sounds.

现在，诸如公共广播系统之类的放大器也会引起问题。如果放大器调得太大，它会变得不稳定并开始发出嚎叫或发出声音。

These pillars were in fact a sort of public address system: their purpose was to carry, carved on them, proclamations or edicts from Ashoka, which could then be promulgated all over India and beyond.

石柱是一种广播系统，阿育王的公告或法令雕刻其上，通过这种方式传播到整个印度，甚至印度之外。

And Russian football officials have fined a leading Chechen club Terek Grozny after one of its keenest fans, the Chechen President Ramzan Kadyrov commandeered the public address system to hurl abuse at the referee during a home game.

俄罗斯足球官员对车臣俱乐部Terek Grozny俱乐部处以罚款，原因是其疯狂粉丝—车臣总统拉姆赞·卡德罗夫在主场比赛时命令公共广播系统谩骂裁判。