基本解释[数学]逼近等价定理英汉例句双语例句Lastly, with the help of the K-functional, we give the equivalent theorem of approximation with weights.最后，借助于K 泛函给出了其在加权意义下的逼近等价定理。approximation equivalent theorem更多例句专业释义数学逼近等价定理