extraction

英 [ɪkˈstrækʃn]

美 [ɪkˈstrækʃn]

n.  提取; 提炼; 拔出; 开采; 有…血统; 族裔; 拔牙

复数：extractions　

CET6TEM8化学

BNC.7879 / COCA.10457

牛津词典

noun

• 提取；提炼；拔出；开采
  the act or process of removing or obtaining sth from sth else
  1. oil/mineral/coal, etc. extraction
     石油、矿物、煤等的开采
  2. the extraction of salt from the sea
     从海水中提取盐
• 有…血统；族裔
  having a particular family origin
  1. an American of Hungarian extraction
     匈牙利血统的美国人
• 拔牙
  the removal of a tooth

柯林斯词典

• N-UNCOUNT 血统;家世
  If you say, for example, that someone isofFrenchextraction, you mean that they or their family originally came from France.
  1. Her real father was of Italian extraction...
     她的亲生父亲是意大利裔。
  2. He married a young lady of Indian extraction.
     他娶了一位年轻的印度裔女子。

英英释义

noun

• the action of taking out something (especially using effort or force)
  1. the dentist gave her a local anesthetic prior to the extraction
• properties attributable to your ancestry
  1. he comes from good origins
  Synonym:origindescent
• the process of obtaining something from a mixture or compound by chemical or physical or mechanical means

双语例句

• Orthogonal experiments were used to find the optimal extraction process of andrographolide by microwave and ultrasonic assisted extraction.
  用正交法对微波和超声波辅助提取穿心莲内酯的工艺条件进行优化。
• The extraction process of lycopene with tomato skin as raw material has been studied.
  以番茄皮为原料，对其中番茄红素的提取工艺进行了研究。
• Extraction and aggregation RSS2.0 has only one recognized form: an document.
  提取和聚合RSS2.0只有一个可识别的形式：一个文档。
• Such extraction modifies the whole cell-membrance network throughout the wool fiber.
  这种萃取改变了整个毛纤维中所有细胞膜的网状结构。
• It may also be used for alcohol recycling and simple reflux extraction.
  并且也能回收酒精和简单的回流提取。
• He married a young lady of Indian extraction.
  他娶了一位年轻的印度裔女子。
• Feature reduction method involves feature selection and feature extraction.
  降维的主要方法是特征选择和特征提取。
• Establish the quality standard of extraction, and stipulate corresponding quality index.
  建立了提取物的质量标准，规定了相应的质量指标。
• It introduces the data loading, data extraction, and lookup features of the Teradata connector.
  它介绍了Teradata连接器的数据加载、数据提取和查找特性。
• Robust facial expression feature extraction method is the key part of the computer aided facial expression analysis system.
  面部表情特征抽取的针对性和鲁棒性在计算机辅助面部表情自动分析系统中具有举足轻重的作用。