According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.
按渗井原理级配的复合多层滤料过滤，水按重力自上而下流动。
In the thesis, dielectric multilayer filter, the technology of which is fully developed, is used to filter and the electromagnetic actuated tunable structure based on MEMS is used to tune the Angle.
文中采用技术成熟的多层介质膜滤波片进行滤波，并利用电磁驱动的微机械转动结构实现角度调谐。
In the thesis, dielectric multilayer filter, the technology of which is fully developed, is used to filter and the electromagnetic actuated tunable structure based on MEMS is used to tune the Angle.
文中采用技术成熟的多层介质膜滤波片进行滤波，并利用电磁驱动的微机械转动结构实现角度调谐。
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