sift是什么意思_音标_用法_例句

简单释义：

v. 筛（面粉或颗粒较细的物质）；细查；详审；区分

网络 尺度不变特征变换(Scale Invariant Feature Transform)；筛分；筛选

变形：

第三人称单数：sifts  现在分词：sifting  过去式：sifted  

完整释义：

v.

1.筛;筛分;过滤:
2.筛,筛分;精选;细查;清理
3.被筛下
4.筛,泄漏出来
5.在…上撒(胡椒等)
6.精选;详查
7.落进
8.鉴别,弄清,精研
9.选择
10.详审

例句：

1. Trucking refuse to the half-dozen rag-picking settlements that ring the city, they carefully sift out recyclable glass, paper and plastic.
   货运公司在整个城市半打的抹布回收点都不回收垃圾，他们精心筛选了可回收玻璃，纸张和塑料。

2. Once again, I would like to congratulate SIFT on this great achievement and wish you all the best for the future.
   我再一次祝贺上海外贸学院所取得的巨大成就，并祝愿各位万事如意！

3. Sift the flour. Pour the flour into a large bowl or on a work surface. Mold the flour in a mound shape with a hole in the center.
   将面粉过筛，将面粉倒入一个大碗或者面板，将面粉堆成一个中间有洞的土堆形。（如上图）

4. Sift through your contacts to identify people who might be interested, even though they haven't explicitly opted in.
   仔细筛选你的通讯录，指定那些也许会（对此）感兴趣的人，即使他们没有被显式地（列入电子邮件的）接收（清单）里。

5. Moreover, the precision of object recognition can be improved effectively by the combination of SIFT features and normalized DLT algorithm.
   结合SIFT特征和正交DLT算法，给出一种较为精确的物体识别方法。

6. Working from clues in the body of the body of the letters, we must patiently sift a mountain of material for a few pertinent grain of fact.
   从文字的主体着手，我们必须耐心的审查大量的资料以便从中得到有限的事实收获。

7. When you need a study tip and don't have time to sift through all the prose on your bookshelf, a simple list is the perfect solution.
   当你需要学习的小贴士，而又没有时间去详细翻阅书架上的每一本书，那么此时一份简单的清单就是最好的选择了。

8. SIFT has proved to be the most robust local invariant feature descriptor in object recognition and matching.
   在目标的识别和匹配中，SIFT已经被证明是鲁棒性最好的局部不变特征描述符。