covering index
基本解釋
- 覆蓋指標
- 覆蓋索引
英漢例句
- 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，產(chǎn)量，品質(zhì)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?在索引本身里存儲數(shù)據(jù)，而 ?Sparse索引則會排除掉不包含索引字段的文檔。