sift

vt.

筛分；精选；撒；审查

vi.

筛；细查；

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

sift through通过；被筛下

sift out过筛

1. Sift the flour before making the cake.
   做蛋糕前先把面粉筛一下。
2. Snow sifted through the crack in the roof into the room.
   雪从屋顶上的裂缝飘进屋里。
3. Sift out the wheat from the chaff.
   把小麦的壳筛出来。
4. She had to sift ashes from the cinders.
   她只好把煤渣中的灰筛出去。
5. The police will sift through the data for clues.
   警察将从数据中仔细研究线索。
6. We have to sift through the application forms very carefully to separate the wheat from the chaff.
   我们得把申请书仔细筛选一下以甄别优劣。

A Comparison of SIFT, PCA-SIFT and SURF
Sift: A MAC Protocol for Event-Driven Wireless Sensor Networks
Sift: A MAC Protocol for Event-Driven Wireless Sensor Networks
CSIFT: A SIFT Descriptor with Color Invariant Characteristics
SIFT: predicting amino acid changes that affect protein function
Object tracking using SIFT features and mean shift
PCA-SIFT: a more distinctive representation for local image descriptors
SIFT: Design and analysis of a fault-tolerant computer for aircraft control
19-A Performance evaluation of local descriptors. (SIFT the best)
Predicting the effects of coding non-synonymous variants on protein function using the SIFT algorithm.