Step response problem
[计] 阶跃响应问题
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
Fine,thanks.
很好，谢谢。
I don't want to see your face!
我不愿再见到你！