two-stage method的用法和樣例：
例句
- A computer method is preseted for predicting the secondary structure of maeromolecule RNAs with the minimal free energy.
本文提出能預測單鏈核酸分子的具有最小自由能的二級結構的計算方法。 - In Present paper, the composite activation and optimization of components of fly ash produced by Huaneng Electical Plant has been studied with orthogonal design method.
本文介紹利用複合激活和組份優化技術改性華能上安電廠二級粉煤灰的情況，採用正交設計方法對試驗方案進行配方優選。
