1、Dynamic heat characteristics of radiators after a step change in flow rate
流量階躍變化后散熱器動態(tài)熱特性分析

2、A step change has taken place in young people's attitudes to their parents.
年輕人對父母的態(tài)度已發(fā)生了徹底的改變。

3、His speech called for a step change in attitudes to the environment in the 21st century.
他的演講呼吁在21世紀徹底改變對待環(huán)境的態(tài)度。

4、The dynamics of drying process is investigated by step change response in a open-loop.
通過各種階躍輸入下的開環(huán)響應試驗，對烘干過程的動態(tài)特性作了調研。

step change翻譯