文中采用圆形目标及编码元素作为标记点，并提出一种标记点自动检测算法。
In this paper circular uncoded targets and coded targets are used as reference points, and an algorithm of automatic reference point detection is proposed.
清单11使用col2值作为参数根据一个XML元素(zip或客户端地址的邮政编码元素)限制DELETE操作。
Listing 11 USES the value of col2 as a parameter to restrict DELETE operations based on the value of an XML element (the zip or zip code element of a client's address).
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