当你不在家时使用定时开关电灯及收音机（声音是有効制止物）。当你外出时停止邮件和报纸递送…

Use timers to turn lights and radios on when you are not home (noise is a great deterrent ). Stop mail and newspaper delivery when you are out of town.

youdao

这些投诉是正确，但我的思路是基于在一个统一的测试条件环境下去测试输出牛，有关差别对于输出牛的阻抗测试仍然有効。

This complaint is correct, but I was looking at testing the transformers in a uniform environment. The relative differences between transformers of a given impedance are still valid.

youdao