The XML Input stage uses a Key column to identify the repetition element, which determines how the XML data is generated.

XML Input 阶段使用 Key 列标识重复元素，这决定如何生成 XML 数据。

youdao

Cost was a key element in our decision.

价钱是我们决策时考虑的主要因素。

《牛津词典》

It signals a change in what has, until now, been a key element of scientific endeavor.

这预示着科学探索中关键因素发生了变化。

youdao

Another key element,he said, is the expansion of regional markets through intra-African trade.

VOA: standard.2009.10.20

But when Gordon talks about a Border Service, he's left out one rather key element - the police.

BBC: NEWS | UK | UK Politics | David Davis speech in full

It does not -- the key element of any plausible proposal to get our deficits and debt under control is that it have balance so that it is not unfairly burdensome to any sector of American society.

WHITEHOUSE: Press Briefing

In addition to its use as a single instrument, the telescope is a key element of the UK's Multi-Element Radio-Linked Interferometer Network (Merlin) high-resolution radio-imaging array.

BBC: Lovell Radio Telescope refurbished