youdao

This guideline specifies that a single XML index scan be used to access the given table.

该准则指定一个单一的xml索引扫描，将用于访问给定的表。

youdao

If DB2 used a single index range scan from 20 to 30, it would miss this document and return an incomplete query result.

如果DB 2在20到30之间使用单个索引范围扫描，则会错过该文档，并返回不完全的查询结果。

youdao

But in many cases, the diagnosis was made on the basis of a single ultrasound scan - which, according to independent doctors, cannot justify a decision to operate.

BBC: The Indian women pushed into hysterectomies