extraction

noun

1. the action of taking out something (especially using effort or force)

e.g. the dentist gave her a local anesthetic prior to the extraction

2. properties attributable to your ancestry

e.g. he comes from good origins

Synonym: origindescent

3. the process of obtaining something from a mixture or compound by chemical or physical or mechanical means

1. 血统;家世
If you say, for example, that someone is of French extraction, you mean that they or their family originally came from France.

e.g. Her real father was of Italian extraction...
她的亲生父亲是意大利裔。
e.g. He married a young lady of Indian extraction.
他娶了一位年轻的印度裔女子。

1. extraction

1. 提取：Ø 数据整合与数据仓储建立过程中需要额外的暂存性数据区(Staging)与数据库汇总作业Ø 独立的服务程序(Windows service)提取(Extraction)就是从源系统中获取数据(无论是何种格式).

2. 抽出：利用它,您能轻松实现数据整合,包括数据抽出(Extraction)、转变(Transformation)和载入(Loading),并确保数据的准确性和完整性. 针对海量数据,它采用了多种高端创新技术,大大提升了企业整合数据的效率. 语义层技术通过信息域(Infosphere)来构建自身的数据仓库,

3. 萃取：内聚能显着降低,溶解能力减小,使已溶解的物质形成结晶或无定型沉淀的过程.应用如下目前国际上超临界流体萃取与造粒技术的研究和应用正方兴未艾,技术发展应用范围包括了:萃取(extraction),分离(separation),

4. 退壳：将退壳(extraction)后的弹壳抛离枪枝的动作,通常藉由抛壳顶杆(ejector)来作用. 新一代瞄准具的一种,以电子成像将瞄准圆点或瞄准线(reticle)投射在瞄准具镜面上,当射手从瞄准具看出时,瞄准圆点(通常是个红点)似乎就落在目标的瞄准点之上.

5. extraction：extr; 抽汽