yìng / shè / guò / chéng / xū / yào / bǎo / chí / yuán / shù / jù / hé / mù / biāo / shù / jù / zhī / jiān / de / duì / yìng / guān / xì

映射过程需要保持源数据和目标数据之间的对应关系。

The mapping process must preserve the correspondence between the source data and the target data.