substitution method

常见例句

You should know also substitution, how to set U equals something, and then see, oh, this becomes u times du, and so substitution method.
你们应该了解换元法，让U等于某值，然后就能把式子变成udu的形式，这就是换元法了。
This paper analysed the necessity of compensation for non-commodity forests and evaluated their ecological and social benefits by the equal benefit substitution method.
分析了生态公益林补偿的必要性，并以同等效益代替法进行了生态效益和社会效益评价。
A calculation model of the coefficient of heat transfer between gas and stave body and inlaid refractory is built based on the substitution method of boundary condition.
基于边界条件替换方法建立了高炉冷却壁本体和捣打料与炉气之间的换热系数计算模型。