base field

基本解释

If only character-based fields are selected, you can use a row structure of strings that has a sufficient number of fields.
如果只选择基于字符的字段，可以使用包含足够多字段的字符串类型的行结构。
To ease the entry of dates, the date-based fields are associated with the XML Schema date type, and the processor provides a date-picker for date entry.
为了简化日期录入，基于日期的字段与 XML Schema date 类型关联，处理程序提供日期选择器来输入日期。
Much of what is left of its industry is in high-tech or research-based fields such as aerospace engines and pharmaceuticals, where its world-class firms are more than holding their own.
该国现有行业大多数集中在高科技或研究领域，诸如航空引擎以及制药业，这些世界级的公司没有满足只是在国内称霸，还将触角伸向了海外。

The new activity profiles feature allows cyclists to customize data fields and device settings based on their cycling activity, such as training, racing, or road and mountain biking.
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Mr. FIELDS: Well, you know, based on where we were ten years ago, we are a smaller company both in terms of people and market share.
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LIMA, Peru (AP) — Peru's government declared an environmental state of emergency on Monday in a remote Amazon jungle region it says has been affected by years of contamination at the country's most productive oil fields, which are currently operated by Argentina-based Pluspetrol.
NPR: Peru Declares Amazon Oil Contamination Emergency