附加的次过滤段(13)可以被放置在主过滤段(8)的金属支撑件中。
An additional secondary filter segment (13) may be placed within the metal support of the main filter segment (8).
过滤数据的另一个方法是只获取那些在一段时间内更改过的数据。
Another way to filter the data is to get only the data that changed over a certain time period.
上个月在辛辛那提举行的“北美古生物学大会”上，他做了一段讲话，我觉得很值得联系上下文、不加过滤的读一读他的话。
He gave this talk at the North American Paleontological Convention in Cincinnati last month, and I think it's worth reading his words unfiltered, in context.
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