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 waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
Along the northern coast there are many high cliffs.
沿着北部的海岸有许多高峡谷。
Don't ask me, sir. I only laid the table.
别问我，先生。我只是摆桌子。