Based on analyzing H. 263 recommendation, a new scene adaptive video coding scheme which used two layer filter mechanism was proposed.

基于H。 263视频编码标准，提出了一种新的采用二级筛选机制的场景自适应编码方案。

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A new non-overflow dual-layer filter that is build without simultaneous overflow at time of backwashing and widely applied abroad is presented in this paper.

非溢流排水滤池是一种在反冲洗时不溢流排水的双层滤料滤池。

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The first layer filter material thickness, the thickness of the biggest step by step a thinning, each layer will allow through 3% of the weight of each layer, no change, there is gap.

第一层滤料的厚度最大，逐层厚度减薄，每一层都允许透过重量的3%，每一层都没有堵死，都有空隙。

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Filter material: layer of fine gravel used in slope stabilization structures that allows water to escape and retains soil particles.

UNESCO: L O S S A R Y

Additional software upgrades such as Early On, enhanced Auto-Away and Auto-Schedule features, and Filter Reminder keeps things running smoothly and add an additional layer of customization.

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