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
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
Every night, the man upstairs came back late.
每天晚上，楼上人回来很晚。