Unit impulse
[电] 单位脉冲
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
Look over to the southeast and you can see the con stellation of Orion.
眺望东南方向，你就可以看到猎户星座。
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。