To give characterizations of the sequentially quotient,π-images and the sequentially covering, π-images of locally separable metric spaces in the notion of sieve and the following has.
利用筛的概念给出了局部可分度量空间的序列商象及序列覆盖π象的内在刻画,证明了空间是X局部可分度量空间的序列商(序列覆盖)π象当且仅当具X有可数纤维的cs* (cs)筛构成的点星网。
To pass(flour, for example)through a sieve.
筛，筛选用筛子筛选（面粉等）
separating screen [ sieve ]
分离用的筛网, 分选筛
succeeding screen
按筛号次序排列的筛网
Influence of Stretch on Motion of Relaxational Screen's Sieve Plate
弛张筛筛面张紧量对筛面运动的影响
Hearing screening in 1103 newborns
新生儿听力初筛、复筛与再筛1103例分析
⑤ Performation of surgical procedures anterior to ethmoid bulla could avoid damage of anterior ethmoid artery and ethmoidal roof.
⑤筛泡前入路开放额窦可以避开筛前动脉和筛顶。
A machine used for sifting, especially for sifting flour.
筛粉机用于筛粉的机器，尤用于筛选面粉
"bolter:a machine used for sifting, especially for sifting flour."
筛粉机:用于筛粉的机器,尤用于筛选面粉
Research on Optimization and Screening Theory about Cantilever Screen Vibration Sifter;
悬臂筛网振动筛筛分理论及产品优化设计
lacquer suction machine
[印花筛网]吸漆机
flat bed screen printing
平板[筛]网印[花]
Round and square perforation plate screens-Thickness of below 3 mm
GB/T10612-1989板厚筛板
Molecular sieve 3A
GB/T10504-19893A分子筛
Industrial screens and screening--Vocabulary
GB/T15602-1995工业用筛和筛分术语
lower telltale spacing
下部信号筛管与主筛管之间的间隔
subsieve fineness
(不能用筛子分析的)亚筛细度
Perforated like a sieve.
筛状的象筛子那样穿有小孔的
