Noninverting
放大器
🗣️ 情景例句
When my girlfriend rings me out of the blue, I'm in a good mood for the rest of the day.
我突然接到女朋友的电话，接下来的一整天我的心情都很好。
How about feed-back from your retailers and consumers?
你们的零售商和消费者的反映怎样？
What are those?
那些是什么？