extraction
美 [ɪkˈstrækʃ(ə)n] 
英 [ɪk'strækʃ(ə)n]
词形变化
复数：extractions 反义词
同义词
英汉双解
1. | [u][c] 提取；提炼；拔出；开采the act or process of removing or obtaining sth from sth else |
| oil/mineral/coal, etc. extraction 石油、矿物、煤等的开采 |
| the extraction of salt from the sea 从海水中提取盐 |
2. | [u] of… extraction （有…）血统；族裔having a particular family origin |
| an American of Hungarian extraction 匈牙利血统的美国人 |
3. | [c] 拔牙the removal of a tooth |
英汉解释
n. | 1. 【化】提取(法);萃取(法);回收物,提出物;精炼 |
英英解释
例句
Compared with solution extraction, the established method had the advantages of lower LOD and LOQ, and was more stable and precise.
该法与溶剂萃取法相比具有检出限和检测限低，稳定性高，测定更准确的优势。
If the extraction and isolation succeeded, his DNA would be captured in a clear liquid solution, ready to be analyzed.
如果提取和分离工作进行得顺利，他的DNA会从一团清澈透明的液体中间被分离出来，以作分析之用。
If, when the moment comes to pay, the chests do not have enough, one of the extraction buildings will be sold to compensate.
如果在目前来支付，没有足够的胸前，其中提取大厦将出售给补偿。
Feel like the extraction of 800 smiling. Do not breathe on smiling. Happy from the bottom of the pubes . Laugh, to be heavy.
感觉象提取了800个笑眯眯。喘不上笑了。发自丹田的惬意。笑，满天要。
Here, we present the case of a woman who suffered from acute dyspnea and right cheek and neck swelling during molar extraction.
一位年轻女性于拔臼齿时突然发生呼吸困难及脸颊肿胀；
Likewise, granular computing theory is trying to apply to texture features extraction and accurate segmentation of chest HRCT image.
同样，粒计算理论也在被尝试应用于HRCT图像纹理特征值提取和肺部组织分割。
The ellipsoidal kernel of this tree, either eaten as a NUT or used for extraction of an oil for flavoring.
杏树果这种树的椭圆形果子，可作坚果食用或提炼调味油
The precision of this model can meet the need and the result of forecasting can be used for decision making in oil extraction plants.
经实证，模型的精度符合要求，预测结果可以为采油厂提供决策依据。
If frequently repeated cell references occur, the extraction time will decrease sharply compared with that of flat extraction.
与打散提取相比，在单元重复调用次数较多时，能明显地减少提取时间。
China's ministry of commerce said the purpose of the restrictions was to protect the environment by raising the cost of resource extraction.
中国商务部表示，上述限制的目的是通过提高资源开采成本，来保护环境。
He took the drug patients were to take and underwent the stem cell extraction process.
他服用病人将服用的药物，并且接受干细胞提取过程。
The poultice needs first to adhere to the substrate and be easy to use and prepare before presenting a real effect on salt extraction.
首先需求的膏药坚持基板和易于运用，并准备提交一份关于前盐提取实效。
Did I not make it clear that this was a recon and extraction mission?
我有没有讲清楚这是一次侦察和寻物行动？。
You know how rights to resource extraction are being sold at the moment, how they've been sold over the last 40 years?
你们都知道资源开采权是现正被出售的，但从过去40年来看，它们是怎么样被出售的呢？
And I've got to go back to the dentist. Again. One crown to fit, and a possible extraction, which sounds less painful than it actually is.
我又要去看牙医了~~~一个牙齿的齿冠要修补一下，说不定可能要拔掉，真要操作起来肯定没有说说的这么轻松~~~。
The extraction of keywords would have been a manual process, their selection entirely at the mercy of the person performing it.
关键字的提取将是一个手动进程，关键字的选择完全取决于执行选择的人。
The results indicated that the extraction rate did not exhibit an obvious difference after distillation evaporation and rotary evaporation.
结果表明，蒸馏浓缩和旋转蒸发仪蒸发浓缩对提取物的抑制率几乎没有影响。
The fraction in the aqueous phase could be enriched by a conventional solid phase extraction with a recovery rate of up to 100%.
组分在水相中可丰富了传统的固相萃取的回收率达100%。
The extraction scheme of alkaloid invented by the factory tends to be more appropriate for the latter ethanol fermentation run.
工厂发明的生物碱提取工艺更有利于后续酒精发酵过程。
Liquid liquid extraction method was used for the selection of the better antifungal inhibition solvent.
通过液液分配方法，选择具有最高抗真菌活性成分的溶剂作为地肤子粗提取剂。
The length of time of the extraction and the particle size are both pertinent.
提取的持续时间和微粒的大小都恰到好处。
Experiment results show that this model is an effective extraction technology of situation element.
仿真实验结果表明，该模型是一种有效可行的态势要素提取技术，并具有较好的泛化能力。
Data management software permits the extraction of the needed information from such a structure by beginning with any record in a file.
数据管理软件允许从文件的任一记录开始提取该结构中的所需信息。
The chemical process industries use leaching but the process is usually called extraction, and organic solvents are often used.
化学加工业用到沥滤，但这个过程通常被称作淬取，而且常常使用有机溶剂。
The accurate pitch analysis and extraction is always one of the most key issue in speech synthesis and speech recognition.
准确地进行基音频率的分析和提取一直是语音合成及语音识别等领域中所关注的核心问题之一。
Thus, image segmentation algorithm and image visual feature extraction method are briefly introduced at the beginning of this paper.
因而，一开始即简要介绍了图像分割算法以及基本的图像视觉特征提取方法。
Result shows that this algorithm is fast in feature extraction and identification, with especially good performance at low quality images.
实验结果表明，该算法特征提取和识别速度快，尤其对于清晰度不高、现场拍摄的纹理图像具有较好的效果。
An external trim extraction unit supplied by Soma is able to work with a variety of materials at full working speed.
外部装饰抽提装置提供的索玛是能够与不同的材料在全工作速度。
In the information extraction process, entity concepts, event concepts, the relationships between them and the instances are all useful.
在信息抽取过程中利用了本体中的实体概念、事件概念，概念间的关系和实例。
For a full list of available model extraction functions, take a look at the InfoSphere Warehouse documentation (see Resources).
要获得所有可用的模型提取函数的列表，请参阅InfoSphereWarehouse文档（见参考资料）。
Experimental results prove that this new method can effectively improve the accuracy of Chinese named entity relation extraction.
实验证明，本方法能够有效提高中文命名实体关系抽取的准确率。
The invention relates to a petroleum extraction technology, aiming at a strong sensitivity oil layer water injection well.
本发明是针对强敏感油层注水井的石油开采技术。
Experiment shows that this key frame extraction method is efficient, the video abstraction can preferable express the video content.
试验表明，这种关键帧提取算法是有效的，其建立的视频摘要能较好的反映原视频的内容。
Familiar with magnetite extraction methods, able to manage production sampling and grade control in an active expanding open pit mine; .
熟悉磁铁矿提取方法，能够在扩建的露天矿中管理生产采样和品味控制。
The proposed off-line handwritten Chinese character recognition system was composed of a feature extraction module and a recognition module.
提出的脱机手写体汉字识别系统主要研究特征提取和分类识别两个模块。
Results In the selected extraction method, it had a trend that oxymatrine was converted to matrine.
结果在选择的几种提取工艺中，氧化苦参碱有向苦参碱转变的趋势。
Experimental results show that this method can expand the extracted range and improve the accuracy of information extraction.
实验结果表明，该方法在扩展抽取内容范围的同时，能提高信息抽取的准确性。
Extraction procedure of China and United States were used to determine characteristic of fly ash and its melting residues.
采用了中国和美国的危险废物浸出毒性鉴别方法来判别飞灰及其熔融渣的浸出毒性。
Independent component analysis(ICA) are generally used for feature extraction, process monitoring, but rarely used for classification.
独立成分分析方法（ICA）一般用于特征提取、过程监控，很少用于分类。
To find the best method, different kinds of phenolic adsorbents and inhibitors have been used in the extraction and purification process.
在提取和纯化中，用加入不同的酚吸收剂和抑制剂并比较酶活性的高低来确认最佳方法。
However, if the ground is not sufficiently porous to allow extraction of enough water from wells, surface water may be the only option.
然而，如果土地没有充分的多孔渗水能力来萃取足够的井水，那么地表水将是唯一的选择。
