1) initial filter water
初滤水
1.
The technology creates an ideal filter structure using a single grading filter material, shortens the drainage time of the initial filter water and improves the water quality.
介绍了“反向过滤气水冲洗滤池”专利技术,该技术实现了单级配滤料的理想滤床结构、解决了初滤水排放时间长的问题、提高了出水水质和出水合格率,可作为强化过滤技术提高新建和改建水厂的出水水质。
2) primary filter,primary filtration
初滤
3) preliminary filtering
初滤波
1.
The feature of fingerprint identification system and wavelet analysis are analyzed,new approaches for fingerprint preliminary filtering and extracting fingerprint feature are proposed.
通过分析指纹识别系统的特点和小波分析的特性,在指纹图像初滤波和指纹特征提取方面提出了新见解。
2.
The whole process of fingerprint preprocessing is analyzed,new approaches for image preliminary filtering and the design of orientation filter are proposed.
系统分析指纹预处理全过程,在图像初滤波和方向滤波器设计方面提出新见解。
4) prefiltration
['pri:fil'treiʃən]
初级过滤
5) rough filtration
初级过滤
6) preliminary filtration
初步过滤
补充资料：初风头水
1.喻首次，初次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条