depth of indexing
Computing term referring to the thoroughness or level of detail in creating an index, such as for a database or search engine.
We introduced a new algorithm to improve the depth of indexing of the search engine.
索引 is a general index; 索引精度 specifically refers to the quality or depth of that indexing.
精度 means precision or accuracy in general; 索引精度 narrows it to indexing contexts.
Compound of 索引 (index) and 精度 (precision, accuracy). A straightforward technical term.