All these features indicate that the organism should be a kind of lower class animal of filterfeeder with certain affinity to Archaeocyathids but should not be classified into algae.
表明应是一种较低级的滤食性动物，可能与古杯动物有一定亲缘关系，不应将其归属藻类。
2
This paper describes the application of frequency changer in filter, coal washer and GZG Feeder.
介绍了变频器在加压过滤机、洗煤机、给料机中的应用。
3
It is held that the best detecting mode is the one detecting the voltage at the installation point of the active filter, and the best installation position is the end of the feeder.