step-wise造句

1、STEP-WISE REDUCTION RATES OF HEMATITE PELLETS WITH CO-CO_2 GAS MIXTURES
用CO-CO_2混合气体逐段还原赤铁矿球团矿的还原反应速度

2、Is this conjunct music, step-wise music, or jumpy, skippy music?
这是连续的音乐，级进的音乐呢，还是轻快、跳跃的音乐呢？

3、A binary tree classifier based on multivariate step-wise regression was designed and implemented.
作者设计并实现了一个基于多变元逐步回归的二叉树分类器。

step-wise翻译