基本解釋[數(shù)學]映射范數(shù)英漢例句雙語例句By introducing weighted norm and using the Banach contraction mapping principle we obtain the existence of throughout positive solutions for the above equations.通過引進加權(quán)范數(shù)及利用巴拿赫壓縮映射原理，得到上面這兩種方程始終正解的存在性。mapping norm更多例句詞組短語短語norm of mapping 映射的范數(shù)norm -mapping 模映射norm preserving mapping 保范映射mapping norm更多詞組專業(yè)釋義數(shù)學映射范數(shù)