covering index

常见例句

雙語例句

• 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。
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