winnow

英 [ˈwɪnəʊ]

美 [ˈwɪnoʊ]

v.  簸，扬，风选(以去掉谷壳)

现在分词：winnowing　过去分词：winnowed　第三人称单数：winnows　过去式：winnowed　

GRE

BNC.37778 / COCA.21960

短语动词

短语用例

winnow sb/sth out (of sth)

• 筛选；遴选；选拔
  to remove people or things from a group so that only the best ones are left

牛津词典

verb

• 簸，扬，风选（以去掉谷壳）
  to blow air through grain in order to remove its outer covering (called the chaff )

柯林斯词典

• VERB 筛选;遴选
  If youwinnowa group of things or people, you reduce its size by separating the ones that are useful or relevant from the ones that are not.
  1. Administration officials have winnowed the list of candidates to three.
     行政官员将候选名单筛减至3人。

英英释义

noun

• the act of separating grain from chaff
  1. the winnowing was done by women
  Synonym:winnowingsifting

verb

• blow away or off with a current of air
  1. winnow chaff
• select desirable parts from a group or list
  1. cull out the interesting letters from the poet's correspondence
  2. winnow the finalists from the long list of applicants
  Synonym:cull out
• separate the chaff from by using air currents
  1. She stood there winnowing chaff all day in the field
  Synonym:fan
• blow on
  1. The wind was winnowing her hair
  2. the wind winnowed the grass

双语例句

• A building for storing threshed grain. winnow the husks from the corn
  谷仓储存脱粒后的谷物的建筑物
• For the training parameters α,β are vital to the performance of face detector, we present an amended Winnow learning algorithm.
  这个人脸检测方法中，训练参数α、β对于检测器的性能起着至关重要的作用。因此，本文提出了一种修正的Winnow训练算法，这个算法在训练过程中动态计算训练参数α、β。
• Both of the algorithms need appropriate feature selection. When two words around an entity were selected, the performance of the both algorithms got the peak. The average weighted F-Score of Winnow and SVM algorithms were 73.08% and 73.27% separately.
  两种算法都进行适当的特征选择，当选择每个实体的左右两个词为特征时，达到最好的抽取效果，Winnow和SVM算法的加权平均F-Score分别为73.08%和73.27%。
• Winnow the husks from the corn
  用风选法除去谷物的壳
• Due to the huge gap between the quota and actual applications, immigration officers had to hold a random drawing to winnow down the applications.
  由于配额和实际申请之间的巨大差距，移民局官员只得采用随机抽取的方法来筛选众多的申请。
• His shovel is ready in his hand and he will winnow his threshing-floor; the wheat he will gather into his granary, but he will burn the chaff on a fire that can never go out.
  他手拿簸箕，要扬净打谷场的谷粒，把麦子收进谷仓里，用永不熄灭之火把糠烧掉。
• Splice Site Identification Based on Improved Winnow Algorithm
  基于改进的Winnow算法的剪接位点识别
• The utility model relates to a power rice sheller, in particular to a light power rice sheller with a screen and a rotating winnow device.
  本实用新型涉及一种动力打稻机，特别是一种带筛、带转扬装置的轻型动力打稻机。
• A Winnow Linear Classifier and Its Application in TREC 2003 Novelty
  一种Winnow线性分类器及其在TRECNovelty任务中的应用
• The Winnow algorithm used in our system is described in detail and a set of experiments is carried out to verify its effect.
  文中详细描述了在我们的过滤系统中所使用的Winnow算法以及所进行的一系列证实其有效性的实验。