covering index
基本解释
- 覆蓋指標
- 覆蓋索引
英汉例句
- Effects of Covering Film on Physiological Indexes and Water Use Efficiency (WUE) of Soybean in Dryland;
本文研究新型多功能保水劑對黃瓜生長，産量，品質及水分利用率的影響。 - Covering indexes allow data storage within the index itself while sparse indexes exclude documents that do not contain the missing field.
Covered索引允許在索引本身裡存儲數據，而 Sparse索引則會排除掉不包含索引字段的文档。