
extractions
词源
源自拉丁语 'extractionem'(拔出),由 'ex-'(出)和 'trahere'(拉)组成,15世纪进入英语。
noun
❶ 指从某物中取出或分离出特定物质的行为或过程,常用于医学、化学或采矿领域。
“The dentist performed two extractions to remove the damaged teeth.”
(牙医进行了两次拔牙手术以移除损坏的牙齿。)
“The extraction of gold from ore requires complex chemical processes.”
(从矿石中提取黄金需要复杂的化学过程。)
❶ 在计算机科学中,指从数据集中提取特定信息或特征的过程。
“The software automates the extraction of key data points from large datasets.”
(该软件自动从大数据集中提取关键数据点。)
“Feature extraction is an important step in machine learning algorithms.”
(特征提取是机器学习算法中的重要步骤。)
常见短语
tooth extraction — 指牙科手术中拔除牙齿的过程,通常用于处理严重蛀牙或智齿问题。
“After the tooth extraction, the dentist advised him to avoid hot foods.”
(拔牙手术后,牙医建议他避免食用热的食物。)
data extraction — 指从各种来源获取特定数据的过程,常用于数据分析、商业智能等领域。
“The report was generated through automated data extraction from multiple databases.”
(该报告是通过从多个数据库自动提取数据生成的。)