It should become the worldwide norm in order to optimize our use of soil now and preserve and protect it over the long term.
它应当成为世界范围的规范，以优化我们现在的土壤利用，并在长期内养护和保护土壤。
Euclidean norm theory was used to select and optimize the contractors during the evaluation work of the construction projects.
在建设工程项目的评标工作中，采用欧氏范数理论对项目的承包商进行优选。
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