这些试探起到过滤器的作用，通过参数的设置和调整，可使它更好地达成对主体信息块的抽取。

These heuristics act as filters that can be parameterized and toggled to perform the web block information extraction.

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注：考虑到过滤器反冲洗废水和脱水机滤出液回流到调节水池。

Note: Including the recirculation of filter backwashing wastewater and filtrate out of the dewatering machine back into the buffer tank.

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这到过滤器转接筒鱼螺丝附件过滤器通过一个52毫米螺纹和工作得很顺利，包括12.5x微距镜头的附件，允许优秀近距离拍摄。

This Fisheye attachment screws onto the filter adapter tube via a 52mm filter thread and works very well with the included 12.5x Macro Lens attachment allowing superior close-up photography.

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这到过滤器转接筒鱼螺丝附件过滤器通过一个52毫米螺纹和工作得很顺利，包括12.5x微距镜头的附件，允许优秀近距离拍摄。

This Fisheye attachment screws onto the filter adapter tube via a 52mm filter thread and works very well with the included 12.5x Macro Lens attachment allowing superior close-up photography.

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